/* ==========================================================================
   QUANG MINH TRÍ - MAIN HOMEPAGE SECTIONS
   Services, Pillars, Comparison, Values, Process, Tech, Projects, Trust, CTA
   ========================================================================== */

/* --------------------------------------------------------------------------
   01. Core Value Strip (Primary Message)
   -------------------------------------------------------------------------- */
.value-strip {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 3rem 0;
}

.value-strip-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 3rem;
  align-items: center;
}

.value-strip-lead h3 {
  font-size: 1.65rem;
  margin-bottom: 0.75rem;
  color: var(--color-primary-navy);
}

.value-strip-lead p {
  font-size: 1.05rem;
  line-height: 1.6;
}

.value-pills-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.value-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-navy);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.value-pill:hover {
  border-color: var(--color-electric-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.value-pill svg {
  width: 16px;
  height: 16px;
  color: var(--color-electric-blue);
}

/* --------------------------------------------------------------------------
   02. Services Pillars (01 B2C, 02 B2B, 03 AI)
   -------------------------------------------------------------------------- */
.pillar-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 4rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.pillar-card:hover {
  border-color: rgba(19, 119, 200, 0.4);
  box-shadow: var(--shadow-lg);
}

.pillar-card.dark-theme {
  background: linear-gradient(155deg, #031838 0%, #05295E 100%);
  border-color: rgba(141, 193, 223, 0.2);
  color: var(--color-white);
}

.pillar-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.pillar-layout.reversed {
  direction: rtl;
}

.pillar-layout.reversed > * {
  direction: ltr;
}

.pillar-badge-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-primary-gold);
  background-color: rgba(197, 151, 77, 0.12);
  border: 1px solid rgba(197, 151, 77, 0.25);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 1rem;
}

.pillar-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 1rem;
}

.pillar-desc {
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.pillar-highlight-quote {
  border-left: 3px solid var(--color-primary-gold);
  padding-left: 1.25rem;
  font-size: 1.05rem;
  font-weight: 600;
  font-style: italic;
  color: var(--color-primary-navy);
  margin-bottom: 2rem;
}

.pillar-card.dark-theme .pillar-highlight-quote {
  color: var(--color-light-gold);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.capability-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--color-primary-navy);
}

.pillar-card.dark-theme .capability-item {
  color: #E2E8F0;
}

.capability-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-electric-blue);
  flex-shrink: 0;
}

.pillar-card.dark-theme .capability-dot {
  background-color: var(--color-light-gold);
}

.pillar-subsections {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.pillar-sub-card {
  background: rgba(14, 72, 137, 0.35);
  border: 1px solid rgba(141, 193, 223, 0.2);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.pillar-sub-card h4 {
  color: var(--color-light-gold);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pillar-sub-card p {
  font-size: 0.875rem;
  line-height: 1.5;
  color: #CBD5E1;
  margin-bottom: 0.5rem;
}

.pillar-sub-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pillar-sub-tags span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background-color: rgba(5, 41, 94, 0.5);
  border: 1px solid rgba(141, 193, 223, 0.25);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--color-light-blue);
}

.pillar-media {
  position: relative;
  display: flex;
  justify-content: center;
}

.pillar-media img,
.pillar-media svg {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  height: auto;
}

/* --------------------------------------------------------------------------
   03. Production vs Outsourcing Split
   -------------------------------------------------------------------------- */
.modes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.mode-card {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
}

.mode-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-electric-blue);
}

.mode-card.featured {
  border-color: var(--color-electric-blue);
  box-shadow: 0 8px 30px rgba(19, 119, 200, 0.12);
}

.mode-card-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.mode-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-electric-blue);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  display: block;
}

.mode-title {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.mode-lead {
  font-size: 1rem;
  color: var(--color-text-muted);
}

/* Lifecycle Pipeline Flow in Production Mode */
.pipeline-flow {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.pipeline-step {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary-navy);
}

.pipeline-step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-electric-blue);
  font-weight: 800;
  width: 24px;
}

/* Outsourcing Capabilities Grid */
.outsourcing-roles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.role-pill {
  padding: 0.75rem;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-navy);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.role-pill svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary-gold);
}

/* --------------------------------------------------------------------------
   04. Why Work With Us (Speed + Responsibility)
   -------------------------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.why-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-electric-blue) 0%, var(--color-primary-gold) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.why-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(19, 119, 200, 0.3);
}

.why-card:hover::before {
  opacity: 1;
}

.why-num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary-gold);
  margin-bottom: 1.25rem;
}

.why-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
  color: var(--color-primary-navy);
}

.why-card p {
  font-size: 0.975rem;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   05. Delivery Process Timeline (01 to 06)
   -------------------------------------------------------------------------- */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.25rem;
  position: relative;
}

.process-step-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.25rem;
  text-align: left;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

.process-step-item:hover {
  transform: translateY(-4px);
  border-color: var(--color-electric-blue);
  box-shadow: var(--shadow-md);
}

.process-step-num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-electric-blue);
  margin-bottom: 0.75rem;
}

.process-step-title {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary-navy);
}

.process-step-desc {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.process-banner {
  margin-top: 3.5rem;
  background: linear-gradient(135deg, rgba(5, 41, 94, 0.04) 0%, rgba(19, 119, 200, 0.08) 100%);
  border: 1px solid rgba(19, 119, 200, 0.2);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  text-align: center;
}

.process-banner-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-navy);
}

/* --------------------------------------------------------------------------
   06. Technology Capabilities Grid
   -------------------------------------------------------------------------- */
.tech-categories-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}

.tech-cat-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.tech-cat-card:hover {
  border-color: var(--color-electric-blue);
  box-shadow: var(--shadow-md);
}

.tech-cat-header {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-primary-navy);
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-primary-gold);
}

.tech-items-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-main);
}

.tech-item-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-electric-blue);
}

/* --------------------------------------------------------------------------
   07. Case Studies Section
   -------------------------------------------------------------------------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(19, 119, 200, 0.4);
}

.project-header-bar {
  padding: 1.5rem 1.75rem;
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-badge-type {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
}

.project-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-name {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: var(--color-primary-navy);
}

.project-challenge-block {
  margin-bottom: 1rem;
}

.project-label-sm {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
  display: block;
}

.project-text-sm {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.project-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.25rem 0;
}

.project-tech-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background-color: var(--color-subtle-blue);
  color: var(--color-electric-blue);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(19, 119, 200, 0.15);
}

.project-impact-box {
  margin-top: auto;
  padding: 1rem;
  background-color: #F8FAFC;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--color-primary-navy);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   08. Trust & Real Business Information Section
   -------------------------------------------------------------------------- */
.trust-container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.trust-info-card {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: var(--shadow-sm);
}

.trust-fields-list {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  margin-top: 1.5rem;
}

.trust-field-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  font-size: 0.925rem;
}

.trust-field-key {
  font-family: var(--font-mono);
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.trust-field-val {
  font-weight: 600;
  color: var(--color-primary-navy);
  word-break: break-word;
}

.trust-field-val.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-success);
}

.trust-callout-box {
  background: linear-gradient(135deg, rgba(5, 41, 94, 0.03) 0%, rgba(197, 151, 77, 0.06) 100%);
  border: 1px dashed rgba(197, 151, 77, 0.4);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.trust-callout-box h4 {
  font-size: 1.15rem;
  color: var(--color-primary-navy);
  margin-bottom: 0.75rem;
}

.trust-callout-box p {
  font-size: 0.925rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

/* --------------------------------------------------------------------------
   09. Project Estimator / Contact CTA
   -------------------------------------------------------------------------- */
.contact-cta-wrapper {
  background: linear-gradient(145deg, var(--color-dark-bg-start) 0%, var(--color-dark-bg-end) 100%);
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--color-white);
  border: 1px solid var(--color-dark-border);
  box-shadow: var(--shadow-xl);
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
}

.contact-cta-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-cta-headline {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  color: var(--color-white);
  margin-bottom: 1rem;
}

.contact-cta-text {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #CBD5E1;
  margin-bottom: 2rem;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.contact-channel-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: #E2E8F0;
  font-size: 0.95rem;
}

.contact-channel-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: rgba(141, 193, 223, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-light-gold);
}

.contact-channel-icon svg {
  width: 18px;
  height: 18px;
}

/* Radio Pill Selector for Project Type */
.project-type-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.type-pill-label {
  cursor: pointer;
}

.type-pill-label input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.type-pill-span {
  display: inline-block;
  padding: 0.5rem 0.9rem;
  font-size: 0.825rem;
  font-weight: 600;
  background-color: rgba(5, 41, 94, 0.6);
  border: 1px solid rgba(141, 193, 223, 0.3);
  border-radius: var(--radius-sm);
  color: #CBD5E1;
  transition: all var(--transition-fast);
}

.type-pill-label input[type="radio"]:checked + .type-pill-span {
  background-color: var(--color-electric-blue);
  border-color: var(--color-light-blue);
  color: var(--color-white);
  box-shadow: 0 0 12px rgba(19, 119, 200, 0.4);
}

.type-pill-label:hover .type-pill-span {
  border-color: var(--color-light-blue);
}

/* --------------------------------------------------------------------------
   Responsive Adjustments for Sections
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .process-timeline {
    grid-template-columns: repeat(3, 1fr);
  }
  .tech-categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .value-strip-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .pillar-layout,
  .pillar-layout.reversed {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  .modes-grid {
    grid-template-columns: 1fr;
  }
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-container {
    grid-template-columns: 1fr;
  }
  .contact-cta-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .process-timeline {
    grid-template-columns: 1fr;
  }
  .tech-categories-grid {
    grid-template-columns: 1fr;
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .capability-grid {
    grid-template-columns: 1fr;
  }
  .trust-field-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}