/* ==========================================================================
   Main Layout & Section Styles (Tactile Soft-Modern Aesthetic)
   ========================================================================== */

/* Floating Soft-Glass Navbar */
.site-header {
  position: fixed;
  top: 1rem;
  left: 0;
  width: 100%;
  z-index: 1000;
  pointer-events: none;
  transition: all var(--duration-normal) var(--ease-soft);
}

.nav-container {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 30px -6px rgba(16, 16, 18, 0.06);
  padding: 0 1.5rem;
  transition: all var(--duration-normal) var(--ease-soft);
}

.site-header.is-scrolled .nav-container {
  box-shadow: 0 14px 36px -8px rgba(16, 16, 18, 0.1);
  background: rgba(255, 255, 255, 0.94);
}

.brand-logo {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-menu-desktop {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-slate);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-pill);
  transition: all var(--duration-fast) var(--ease-soft);
}

.nav-link:hover {
  color: var(--color-ink);
  background-color: rgba(16, 16, 18, 0.04);
}

.nav-mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-pill);
  background-color: var(--color-surface);
}

.nav-toggle-bar {
  width: 18px;
  height: 1.5px;
  background-color: var(--color-ink);
  border-radius: 1px;
  transition: transform var(--duration-fast) var(--ease-soft);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 340px;
  height: 100vh;
  background-color: var(--color-surface);
  z-index: 1500;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  padding: 2rem;
  transition: right var(--duration-normal) var(--ease-soft);
}

.mobile-drawer.is-open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border-subtle);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-link {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-ink);
  padding: 0.5rem 0;
}

/* ==========================================================================
   Hero Section (Tactile Split matching reference)
   ========================================================================== */
.hero-section {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--header-h) + 3.25rem);
  padding-bottom: 3.5rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 1.5rem + 2.5vw, 4.5rem);
  align-items: center;
  width: 100%;
}

.hero-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-headline {
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--color-ink);
  margin-bottom: 0.75rem;
}

.hero-growth-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-arrow);
  margin: 0 0.15rem;
  vertical-align: middle;
  transform: translateY(-2px);
}

.hero-subheadline {
  font-size: clamp(0.925rem, 0.88rem + 0.2vw, 1rem);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-slate);
  max-width: 480px;
  margin-bottom: 1.15rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.hero-right {
  display: flex;
  justify-content: flex-end;
}

/* ==========================================================================
   Intro Statement Section
   ========================================================================== */
.intro-section {
  padding: var(--space-2xl) 0;
}

.intro-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 1.5rem + 3vw, 4.5rem);
  box-shadow: var(--shadow-card-soft);
  text-align: center;
  max-width: 1040px;
  margin: 0 auto;
}

.intro-headline {
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin-bottom: 1rem;
}

.intro-desc {
  font-size: var(--text-lg);
  color: var(--color-slate);
  line-height: 1.65;
  max-width: 760px;
  margin: 0 auto;
}

/* ==========================================================================
   Portfolio Section (Compact 2-Column Grid)
   ========================================================================== */
.portfolio-section {
  padding: var(--space-2xl) 0;
}

.portfolio-header {
  margin-bottom: var(--space-xl);
}

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

.portfolio-project-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card-soft);
  transition: all var(--duration-normal) var(--ease-soft);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.portfolio-project-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.portfolio-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.portfolio-card-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.portfolio-category-pill {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-slate);
  background-color: var(--color-canvas);
  border: 1px solid var(--color-border-card);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
}

.portfolio-project-title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin-bottom: 0.35rem;
}

.portfolio-project-desc {
  font-size: var(--text-sm);
  color: var(--color-slate);
  line-height: 1.55;
  margin-bottom: 1.15rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.portfolio-mobile-action {
  display: none;
}

/* ==========================================================================
   Services Section (Soft Cards Grid)
   ========================================================================== */
.services-section {
  padding: var(--space-2xl) 0;
}

.services-header {
  margin-bottom: var(--space-xl);
}

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

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-card-soft);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  transition: all var(--duration-normal) var(--ease-soft);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-hover);
}

.service-card-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-muted);
}

.service-card-title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}

.service-card-desc {
  font-size: var(--text-sm);
  color: var(--color-slate);
  line-height: 1.6;
}

.service-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-slate);
  background-color: var(--color-canvas);
  border: 1px solid var(--color-border-subtle);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
}

/* ==========================================================================
   Why Webtify Section
   ========================================================================== */
.why-section {
  padding: var(--space-2xl) 0;
}

.why-header {
  margin-bottom: var(--space-xl);
}

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

.why-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-card-soft);
  transition: all var(--duration-normal) var(--ease-soft);
}

.why-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-hover);
}

.why-card-number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.why-card-title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}

.why-card-desc {
  font-size: var(--text-sm);
  color: var(--color-slate);
  line-height: 1.65;
}

/* ==========================================================================
   Process Section
   ========================================================================== */
.process-section {
  padding: var(--space-2xl) 0;
}

.process-header {
  margin-bottom: var(--space-xl);
}

.process-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.process-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-card-soft);
  transition: all var(--duration-normal) var(--ease-soft);
  position: relative;
}

.process-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-hover);
}

.process-card-step {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-muted);
  background-color: var(--color-canvas);
  border: 1px solid var(--color-border-subtle);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  display: inline-block;
  margin-bottom: 1rem;
}

.process-card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.35rem;
}

.process-card-desc {
  font-size: var(--text-xs);
  color: var(--color-slate);
  line-height: 1.6;
}

/* ==========================================================================
   Pricing Section (Soft Rounded Tiers)
   ========================================================================== */
.pricing-section {
  padding: var(--space-2xl) 0;
}

.pricing-header {
  margin-bottom: var(--space-xl);
  text-align: center;
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  align-items: stretch;
}

.pricing-tier-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 1.5rem + 1vw, 2.75rem);
  box-shadow: var(--shadow-card-soft);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--duration-normal) var(--ease-soft);
  position: relative;
}

.pricing-tier-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

/* Highlighted popular tier */
.pricing-tier-card.is-popular {
  border-color: var(--color-ink);
  box-shadow: 0 20px 48px -12px rgba(16, 16, 18, 0.14);
}

.pricing-badge-slot {
  min-height: 28px;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
}

.pricing-popular-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--color-ink);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
}

.pricing-popular-badge .star-icon {
  color: var(--color-star-gold);
}

.pricing-top {
  margin-bottom: 1.75rem;
}

.pricing-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.35rem;
}

.pricing-cost {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}

.pricing-tagline {
  font-size: var(--text-sm);
  color: var(--color-slate);
  line-height: 1.5;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 1.5rem;
}

.pricing-feature-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.pricing-feature-check {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-pill);
  background-color: #EBF8EE;
  color: #16A34A;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  padding: var(--space-2xl) 0;
}

.faq-header {
  margin-bottom: var(--space-xl);
  text-align: center;
}

/* ==========================================================================
   Final CTA Section (Deep Dark Tactile Banner)
   ========================================================================== */
.final-cta-section {
  padding: var(--space-2xl) 0 var(--space-3xl) 0;
}

.final-cta-banner {
  background-color: var(--color-dark-surface);
  color: var(--color-dark-text);
  border-radius: var(--radius-xl);
  padding: clamp(3rem, 2rem + 4vw, 5.5rem);
  text-align: center;
  box-shadow: 0 24px 64px -16px rgba(16, 16, 18, 0.35);
  position: relative;
  overflow: hidden;
}

.final-cta-headline {
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

.final-cta-text {
  font-size: var(--text-lg);
  color: var(--color-dark-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem auto;
  line-height: 1.65;
}

.final-cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding: var(--space-2xl) 0 var(--space-xl) 0;
  border-top: 1px solid var(--color-border-subtle);
  background-color: var(--color-canvas);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}

.footer-brand-sub {
  font-size: var(--text-sm);
  color: var(--color-slate);
  max-width: 320px;
  line-height: 1.6;
}

.footer-col-header {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 1.25rem;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link-item {
  font-size: var(--text-sm);
  color: var(--color-slate);
  transition: color var(--duration-fast) var(--ease-soft);
}

.footer-link-item:hover {
  color: var(--color-ink);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-subtle);
  font-size: var(--text-xs);
  color: var(--color-muted);
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */
@media (max-width: 1024px) {
  .nav-menu-desktop {
    display: none;
  }

  .portfolio-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-mobile-toggle {
    display: flex;
  }

  .hero-section {
    min-height: auto;
    padding-top: calc(var(--header-h) + 3.25rem);
    padding-bottom: 3.5rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.75rem;
  }

  .hero-right {
    justify-content: center;
  }

  .activity-board {
    max-width: 480px;
    margin: 0 auto;
  }

  .pricing-cards-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 860px) {
  .portfolio-cards-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .services-cards-grid {
    grid-template-columns: 1fr;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .process-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .hero-section {
    padding-top: calc(var(--header-h) + 4rem);
    padding-bottom: 3rem;
  }

  .status-pill {
    margin-bottom: 1rem;
  }

  .hero-headline {
    font-size: clamp(1.85rem, 1.45rem + 1.8vw, 2.5rem);
    line-height: 1.15;
  }

  .hero-subheadline {
    font-size: 0.95rem;
    line-height: 1.55;
    margin-bottom: 1.25rem;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

  .hero-cta-group .btn,
  .pricing-tier-card .btn,
  .final-cta-buttons .btn {
    width: 100%;
  }

  .hero-social-proof {
    margin-top: 1.25rem;
    width: 100%;
  }

  .proof-details {
    flex-wrap: wrap;
    gap: 0.6rem;
  }

  .activity-board {
    max-width: 100%;
    gap: 0.45rem;
  }

  .activity-card {
    transform: none !important;
    padding: 0.55rem 0.75rem;
    gap: 0.65rem;
  }

  .activity-title {
    font-size: 0.8125rem;
    max-width: 180px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .activity-time {
    font-size: 0.65rem;
  }

  .portfolio-cards-grid {
    gap: 1.25rem;
  }

  .portfolio-project-card {
    padding: 1rem 1rem 1.15rem;
    border-radius: var(--radius-lg);
  }

  .portfolio-top-meta {
    margin-bottom: 0.65rem;
    gap: 0.5rem;
  }

  .portfolio-category-pill {
    font-size: 0.625rem;
    padding: 0.2rem 0.6rem;
  }

  .portfolio-card-actions .portfolio-preview-btn {
    display: none;
  }

  .portfolio-card-actions .btn-compact {
    min-height: 32px;
    padding: 0.3rem 0.75rem;
    font-size: 0.6875rem;
  }

  .portfolio-project-title {
    font-size: 1.15rem;
    margin-bottom: 0.25rem;
  }

  .portfolio-project-desc {
    font-size: 0.8125rem;
    line-height: 1.45;
    margin-bottom: 0.75rem;
    -webkit-line-clamp: 2;
  }

  .soft-browser-bar {
    padding: 0.45rem 0.65rem;
    min-height: 32px;
    gap: 0.35rem;
  }

  .browser-pill-dot {
    width: 6px;
    height: 6px;
  }

  .browser-url-pill {
    font-size: 0.625rem;
    padding: 0.15rem 0.5rem;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .browser-bar-link {
    font-size: 0.625rem;
    padding: 0.15rem 0.45rem;
  }

  .portfolio-mobile-action {
    display: block;
    margin-top: 0.75rem;
  }

  .portfolio-mobile-preview-btn {
    width: 100%;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8125rem;
    font-weight: 700;
    border-radius: var(--radius-pill);
    background-color: var(--color-ink);
    color: var(--color-surface);
    box-shadow: 0 4px 14px rgba(16, 16, 18, 0.12);
  }

  .modal-wrapper {
    padding: 0.75rem;
  }

  .modal-card {
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    max-height: 88vh;
  }

  .modal-close-btn {
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    font-size: 1.1rem;
  }

  .modal-card .modal-live-link-secondary,
  .modal-card [data-open-brief] {
    width: 100%;
    justify-content: center;
  }

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

  .intro-headline {
    font-size: 1.45rem;
  }

  .intro-desc {
    font-size: 0.95rem;
  }

  .process-cards-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    padding: 1.5rem;
  }

  .why-card {
    padding: 1.5rem;
  }

  .pricing-tier-card {
    padding: 1.75rem 1.25rem;
  }

  .final-cta-banner {
    padding: 2.5rem 1.25rem;
  }

  .final-cta-headline {
    font-size: 1.85rem;
    line-height: 1.15;
  }

  .final-cta-text {
    font-size: 0.95rem;
    margin-bottom: 1.75rem;
  }

  .final-cta-buttons {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
    text-align: center;
  }
}