/* ==========================================================================
   sections.css — Section-Specific Layout Styles
   Lead lea Corporate Site Redesign
   ========================================================================== */

/* ==========================================================================
   Section Base
   ========================================================================== */

.section {
  position: relative;
  padding-block: var(--section-gap);
  overflow: hidden;
}

.section-title {
  position: relative;
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--font-size-h2);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 3rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 2px;
  box-shadow: var(--glow-cyan);
}

.section-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-body);
  max-width: 640px;
  line-height: 1.8;
}

/* Section background gradient transitions */
.section--alt {
  background: var(--gradient-section);
}

.section--tertiary {
  background: var(--color-bg-tertiary);
}


/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-bg-primary);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

/* Fallback gradient when Canvas is unavailable */
.hero-fallback {
  background:
    radial-gradient(ellipse at 30% 40%, rgba(0, 212, 255, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 60%, rgba(139, 92, 246, 0.1) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 50%, rgba(255, 0, 170, 0.06) 0%, transparent 70%),
    var(--color-bg-primary);
}

.hero-fallback .hero-canvas {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding-inline: var(--container-padding);
}

.hero-catchcopy {
  font-family: var(--font-heading);
  font-size: var(--font-size-hero);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.hero-subcopy {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--color-text-secondary);
  margin-bottom: 2.5rem;
  font-weight: 400;
}

.hero-cta {
  margin-bottom: 0;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-indent: 0.1em;
  text-transform: uppercase;
}

.hero-scroll-indicator .scroll-arrow {
  width: 24px;
  height: 24px;
  color: var(--color-accent-cyan);
}


/* ==========================================================================
   About Section
   ========================================================================== */

.about {
  background:
    linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

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

.about-copy {
  max-width: 540px;
}

.about-copy .lead-text {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--color-text-primary);
  font-weight: 500;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.about-visual {
  position: relative;
}

.about-visual img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
}

/* Core business icons */
.core-business {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.core-business-item {
  text-align: center;
  padding: 1.5rem 1rem;
  border-radius: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.core-business-item:hover {
  border-color: rgba(0, 212, 255, 0.2);
  box-shadow: var(--glow-cyan);
}

.core-business-item .icon {
  width: 48px;
  height: 48px;
  margin-inline: auto;
  margin-bottom: 0.75rem;
  color: var(--color-accent-cyan);
}

.core-business-item h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.core-business-item p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}


/* ==========================================================================
   Features Section
   ========================================================================== */

.features {
  background:
    linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
}

.features-category {
  margin-bottom: 3rem;
}

.features-category:last-child {
  margin-bottom: 0;
}

.features-category-title {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-weight: 600;
  color: var(--color-accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(0, 212, 255, 0.15);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  padding: 2rem;
  border-radius: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.feature-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: var(--glow-cyan);
  transform: translateY(-4px);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.feature-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent-cyan);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.feature-card-link:hover {
  gap: 0.7rem;
  color: var(--color-text-primary);
}

.feature-card-link svg {
  width: 16px;
  height: 16px;
}


/* ==========================================================================
   Services Section
   ========================================================================== */

.services {
  background:
    linear-gradient(180deg, var(--color-bg-tertiary) 0%, var(--color-bg-secondary) 100%);
}

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

.service-card {
  /* Glassmorphism applied via .glass-card in components.css */
  text-align: center;
  padding: 2.5rem 1.5rem;
}

.service-card .icon {
  width: 56px;
  height: 56px;
  margin-inline: auto;
  margin-bottom: 1.25rem;
  color: var(--color-accent-cyan);
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* AWS cloud operations sub-section */
.services-aws {
  margin-top: 3rem;
  padding: 2rem;
  border-radius: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.services-aws h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.services-aws-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.services-aws-tag {
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent-cyan);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 20px;
}


/* ==========================================================================
   News Section
   ========================================================================== */

.news {
  background:
    linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.news-timeline {
  position: relative;
  max-width: 800px;
  margin-inline: auto;
  padding-left: 2.5rem;
}

/* Timeline vertical line */
.news-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(
    180deg,
    var(--color-accent-cyan),
    var(--color-accent-violet),
    transparent
  );
  border-radius: 1px;
}

.news-item {
  position: relative;
  padding-bottom: 2rem;
  padding-left: 1.5rem;
}

.news-item:last-child {
  padding-bottom: 0;
}

/* Timeline dot */
.news-item::before {
  content: '';
  position: absolute;
  top: 6px;
  left: -1.25rem;
  width: 10px;
  height: 10px;
  background: var(--color-accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
  transform: translateX(-50%);
}

.news-item time {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent-cyan);
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
}

.news-item h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.4rem;
}

.news-item p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.news-item a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-accent-cyan);
  transition: color var(--transition-fast);
}

.news-item a:hover {
  color: var(--color-text-primary);
}

/* Hidden items for "show more" */
.news-item.hidden {
  display: none;
}

.news-item.hidden.visible {
  display: block;
}

.news-more-btn {
  display: block;
  margin: 2rem auto 0;
  padding: 0.75rem 2rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent-cyan);
  background: transparent;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 10px;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.news-more-btn:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--color-accent-cyan);
  box-shadow: var(--glow-cyan);
}


/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq {
  background:
    linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.faq-list {
  max-width: 800px;
  margin-inline: auto;
}


/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 212, 255, 0.06) 0%, transparent 60%),
    linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.contact-inner {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}

.contact-copy {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--color-text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.contact-form {
  text-align: left;
}

.contact-form .btn-cta {
  width: 100%;
  margin-top: 0.5rem;
}


/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--color-bg-primary);
  border-top: 1px solid var(--glass-border);
  padding-block: 3rem 2rem;
}

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

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.footer-info p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 0.25rem;
}

.footer-info .trademark {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
  line-height: 1.6;
}

.footer-nav-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-nav-list a {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding-block: 0.3rem;
  transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
  color: var(--color-accent-cyan);
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--glass-border);
  text-align: center;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}


/* ==========================================================================
   Responsive: Tablet (768px – 1023px)
   ========================================================================== */

@media (max-width: 1023px) {
  /* Services: 3 → 2 columns */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Footer: 3 → 2 columns */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-info {
    grid-column: 1 / -1;
  }
}

/* ==========================================================================
   Responsive: Mobile (≤ 767px)
   ========================================================================== */

@media (max-width: 767px) {
  /* Section base */
  .section-title {
    margin-bottom: 2rem;
  }

  /* Hero */
  .hero {
    min-height: 100svh;
  }

  .hero-content {
    padding-inline: 1.5rem;
  }

  .hero-scroll-indicator {
    bottom: 1.5rem;
  }

  /* About: 2 → 1 column */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-visual {
    order: -1;
  }

  .core-business {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .core-business-item {
    display: grid;
    grid-template-columns: 48px 1fr;
    grid-template-rows: auto auto;
    gap: 0.25rem 1rem;
    text-align: left;
    align-items: start;
    padding: 1rem;
  }

  .core-business-item .icon {
    margin: 0;
    grid-row: 1 / 3;
    align-self: center;
  }

  .core-business-item h4 {
    margin-bottom: 0;
  }

  .core-business-item p {
    grid-column: 2;
  }

  /* Features: single column */
  .features-grid {
    grid-template-columns: 1fr;
  }

  /* Services: 2 → 1 column */
  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    padding: 2rem 1.25rem;
  }

  /* News */
  .news-timeline {
    padding-left: 2rem;
  }

  .news-item {
    padding-left: 1rem;
  }

  /* Contact */
  .contact-inner {
    padding-inline: 0;
  }

  /* Footer: single column */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-info {
    grid-column: auto;
  }

  /* Tap targets: ensure 44px minimum */
  .news-more-btn,
  .feature-card-link,
  .news-item a,
  .footer-nav-list a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .core-business-item {
    min-height: 44px;
  }

  .services-aws-tag {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
}

/* ==========================================================================
   Responsive: Desktop (1024px+)
   ========================================================================== */

@media (min-width: 1024px) {
  /* Features: ensure 3 columns for larger grids */
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}