/* ==================== HERO BANNER ==================== */
.hero-banner {
  width: 100%;
  overflow: hidden;
}

.hero-banner-img {
  width: 100%;
  aspect-ratio: 16/9;
  display: block;
  object-fit: cover;
}

/* ==================== INTRO ==================== */
.intro {
  padding: 60px 0 32px;
  text-align: center;
}

.intro-heading {
  font-size: 4.5rem;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text-dark);
}

.intro-sub {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 24px auto 0;
  line-height: 1.6;
}

.intro-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-top: 40px;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-dark);
  transition: opacity 0.3s;
}

.btn-link:hover {
  opacity: 0.6;
}

/* ==================== SECTION HEADERS ==================== */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 48px;
}

.section-heading {
  font-size: 2.4rem;
  font-weight: 500;
  letter-spacing: -0.03em;
}

/* ==================== FEATURED ==================== */
.featured {
  padding: 0 0 100px;
}

.featured .section-heading {
  margin-bottom: 48px;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.featured-card {
  border-radius: 20px;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.featured-card:hover {
  transform: scale(1.01);
}

.featured-img {
  width: 100%;
  aspect-ratio: 1600 / 1700;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 36px;
}


/* ==================== NUMBERS ==================== */
.numbers {
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
}

.number-value {
  display: block;
  font-size: 3.5rem;
  font-weight: 500;
  letter-spacing: -0.04em;
  color: var(--text-dark);
}

.number-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* ==================== FEEDBACK ==================== */
.feedback {
  padding: 80px 0;
  background: #ffffff;
}

.feedback-header {
  margin-bottom: 48px;
}

.feedback .section-heading {
  color: var(--text-dark);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 600px;
}

.feedback-sub {
  font-size: 1rem;
  color: var(--text-secondary);
}

.feedback-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feedback-item {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 40px 32px;
  border: none;
  border-radius: 20px;
  background: #1a1a2e;
  transition: transform 0.3s;
}

.feedback-item:hover {
  transform: translateY(-4px);
}

.feedback-quote-icon {
  opacity: 0.3;
}

.feedback-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
  flex: 1;
}

.feedback-author-block h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 4px;
}

.feedback-author-block span {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
}

/* ==================== BLOG ==================== */
.blog {
  padding: 48px 0;
}

.blog .section-header {
  margin-bottom: 28px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.blog-card {
  display: block;
  transition: transform 0.3s;
}

.blog-card:hover {
  transform: translateY(-4px);
}

.blog-thumb {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
}

.blog-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.blog-info {
  padding: 0 4px;
}

.blog-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.blog-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin-bottom: 8px;
}

.blog-excerpt {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}

.blog-date {
  font-size: 0.78rem;
  color: var(--text-light);
}

/* ==================== SEO ==================== */
.seo {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.seo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.seo-main h2 {
  font-size: 1.8rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 20px;
}

.seo-main p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.seo-faq h3 {
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.faq-item {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}

.faq-item:last-child {
  border-bottom: 1px solid var(--border);
}

.faq-item summary {
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--text-secondary);
  transition: transform 0.3s;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 12px;
}

/* ==================== CTA ==================== */
.cta {
  padding: 60px 0;
  text-align: center;
  background: var(--bg-light);
  border-radius: 0;
}

.cta-heading {
  font-size: 4rem;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.cta-sub {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin: 20px 0 40px;
}

/* ==================== CASE STUDIES ==================== */
.casestudy {
  padding: 0;
  overflow: hidden;
  background: #ffffff;
}

.casestudy-slider {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 16px 0 60px;
}

.casestudy-row {
  display: flex;
  gap: 20px;
  animation: scrollLeft 35s linear infinite;
}

.casestudy-row-reverse {
  animation: scrollRight 35s linear infinite;
}

.casestudy-slide {
  flex: 0 0 260px;
  height: 470px;
  border-radius: 18px;
  overflow: hidden;
}

.casestudy-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}

.casestudy-slide:hover img {
  transform: scale(1.05);
}

@keyframes scrollLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes scrollRight {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

/* ==================== PRICING ==================== */
.pricing {
  padding: 60px 0;
  background: linear-gradient(180deg, #000000 0%, #000a14 25%, #001642 50%, #001642 60%, #000a14 85%, #000000 100%);
  color: white;
}

.pricing .section-heading {
  color: white;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.pricing-card {
  position: relative;
  background: linear-gradient(160deg, rgba(0,22,66,0.6) 0%, rgba(0,8,24,0.95) 100%);
  border: 1px solid rgba(0,60,180,0.2);
  border-radius: 20px;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow:
    inset 0 1px 0 rgba(80,140,240,0.15),
    0 4px 24px rgba(0,0,0,0.8),
    0 20px 60px rgba(0,0,0,0.6);
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,80,220,0.4);
  box-shadow:
    inset 0 1px 0 rgba(80,140,240,0.25),
    0 8px 32px rgba(0,0,0,0.9),
    0 0 60px rgba(0,40,120,0.12);
}

.pricing-card.popular {
  border-color: rgba(0,80,220,0.35);
  background: linear-gradient(160deg, rgba(0,30,90,0.7) 0%, rgba(0,14,42,0.95) 100%);
  box-shadow:
    inset 0 1px 0 rgba(80,150,255,0.25),
    0 4px 24px rgba(0,0,0,0.8),
    0 20px 60px rgba(0,0,0,0.6),
    0 0 100px rgba(0,22,66,0.2);
}

.pricing-badge {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: white;
  background: rgba(255,255,255,0.15);
  padding: 4px 12px;
  border-radius: 20px;
}

.pricing-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: white;
  margin-bottom: 6px;
}

.pricing-subtitle {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  margin-bottom: 20px;
}

.pricing-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.1);
  margin: 0 0 24px;
}

.pricing-price {
  margin-bottom: 28px;
}

.pricing-price .amount {
  font-size: 2rem;
  font-weight: 700;
  color: white;
}

.pricing-price .unit {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.45);
  margin-left: 4px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
}

.pricing-features li svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-cta {
  display: block;
  width: 100%;
  text-align: center;
  padding: 14px 0;
  border-radius: 12px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.pricing-cta.outline {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
}

.pricing-cta.outline:hover {
  background: rgba(255,255,255,0.15);
}

.pricing-cta.filled {
  background: linear-gradient(135deg, #0080ff, #00b4ff);
  border: none;
  color: white;
  box-shadow:
    0 0 20px rgba(0,128,255,0.4),
    0 4px 16px rgba(0,0,0,0.3),
    inset 0 1px 0 rgba(255,255,255,0.25);
}

.pricing-cta.filled:hover {
  background: linear-gradient(135deg, #006ee6, #009ee6);
  box-shadow:
    0 0 30px rgba(0,128,255,0.5),
    0 6px 20px rgba(0,0,0,0.4),
    inset 0 1px 0 rgba(255,255,255,0.3);
}

/* ==================== FOOTER ==================== */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
  margin-top: 0;
}

.footer .container {
  display: block;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 24px;
}

.footer-brand-col .footer-brand {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.footer-brand-col .footer-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  margin-bottom: 12px;
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  transition: color 0.2s;
}

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

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  .intro-heading { font-size: 2.4rem; }
  .intro-actions { flex-direction: column; gap: 16px; }
  .featured-grid { grid-template-columns: 1fr; }
  .numbers-grid { grid-template-columns: 1fr; gap: 40px; }
  .number-value { font-size: 2.4rem; }
  .feedback-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .seo-grid { grid-template-columns: 1fr; gap: 40px; }
  .cta-heading { font-size: 2.2rem; }
  .section-header { flex-direction: column; gap: 16px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .casestudy-slide { height: 30vh; width: calc(30vh * 9 / 16); }
  .process-card { min-height: 200px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 480px) {
  .casestudy-slide { height: 25vh; width: calc(25vh * 9 / 16); }
}