/* ==========================================================================
   RSON DESIGN STUDIO — SERVICES PAGE STYLES (EDITORIAL LIGHT AESTHETIC)
   Strictly complies with locked design tokens in design-system.css & layout.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   01. SERVICES HERO
   -------------------------------------------------------------------------- */
.services-hero {
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-hairline);
  position: relative;
}

.services-hero-header {
  max-width: 980px;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.services-meta-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  letter-spacing: 0.16em;
  color: var(--accent-beige);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.services-meta-divider {
  color: var(--border-light);
}

.services-hero-title {
  font-family: var(--font-serif);
  font-size: var(--text-hero);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.services-hero-intro {
  font-family: var(--font-sans);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: var(--space-xl);
}

.services-hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* Hero Architectural Visual Banner */
.services-hero-visual {
  position: relative;
  width: 100%;
  border-radius: var(--radius-subtle);
  overflow: hidden;
  border: 1px solid var(--border-hairline);
  background-color: var(--bg-secondary);
  aspect-ratio: 21 / 9;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.04);
}

.services-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  display: block;
  transition: transform var(--transition-slow);
}

.services-hero-visual:hover .services-hero-img {
  transform: scale(1.02);
}

.services-hero-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--space-sm) var(--space-lg);
  background: linear-gradient(to top, rgba(17, 18, 20, 0.72) 0%, rgba(17, 18, 20, 0) 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-inverse);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  z-index: 2;
}

/* --------------------------------------------------------------------------
   02. DISCIPLINE ANCHOR INDEX BAR
   -------------------------------------------------------------------------- */
.services-index-bar {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-hairline);
  position: static;
  transition: box-shadow var(--transition-base);
}

.services-index-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding: 0.85rem 0;
}

.services-index-nav::-webkit-scrollbar {
  display: none;
}

.services-index-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-subtle);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.services-index-link .idx-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--brand-orange);
}

.services-index-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border-color: var(--border-hairline);
}

/* --------------------------------------------------------------------------
   03. SIX CORE SERVICES (EDITORIAL ALTERNATING LAYOUT)
   -------------------------------------------------------------------------- */
.services-editorial-section {
  background-color: var(--bg-primary);
  padding: clamp(3rem, 6vw, 6rem) 0;
}

.service-block {
  padding: clamp(3.5rem, 6vw, 6.5rem) 0;
  border-bottom: 1px solid var(--border-hairline);
  position: relative;
}

.service-block:last-child {
  border-bottom: none;
}

.service-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2.5rem, 5vw, 5.5rem);
  align-items: center;
}

/* Alternating Reverse Rhythm */
.service-block--reverse .service-grid {
  grid-template-columns: 0.95fr 1.05fr;
}

.service-block--reverse .service-text-col {
  order: 2;
}

.service-block--reverse .service-media-col {
  order: 1;
}

/* Service Content Column */
.service-text-col {
  display: flex;
  flex-direction: column;
}

.service-header-meta {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.service-number {
  font-family: var(--font-serif);
  font-size: clamp(3.2rem, 5.5vw, 4.8rem);
  line-height: 1;
  font-weight: 400;
  color: var(--brand-orange);
  letter-spacing: -0.02em;
}

.service-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.service-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 500;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  letter-spacing: -0.015em;
}

.service-description {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 1.25vw, 1.12rem);
  line-height: 1.68;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 580px;
}

/* Capabilities Matrix */
.service-capabilities {
  margin-bottom: var(--space-xl);
}

.service-cap-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
  display: block;
}

.service-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-tag {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-hairline);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-subtle);
  transition: all var(--transition-fast);
}

.service-tag:hover {
  border-color: var(--accent-beige);
  background-color: #FFFFFF;
}

/* Inquiry Link */
.service-inquire-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  text-decoration: none;
  position: relative;
  width: fit-content;
  padding-bottom: 4px;
  border-bottom: 1.5px solid var(--text-primary);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.service-inquire-link .arrow {
  transition: transform var(--transition-fast);
}

.service-inquire-link:hover {
  color: var(--accent-beige);
  border-bottom-color: var(--accent-beige);
}

.service-inquire-link:hover .arrow {
  transform: translateX(5px);
}

/* Service Media Column */
.service-media-col {
  position: relative;
}

.service-image-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-subtle);
  overflow: hidden;
  border: 1px solid var(--border-hairline);
  background-color: var(--bg-secondary);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.05);
}

.service-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform var(--transition-slow);
}

.service-image-frame:hover .service-img {
  transform: scale(1.04);
}

.service-image-badge {
  position: absolute;
  bottom: var(--space-sm);
  left: var(--space-sm);
  background-color: rgba(17, 18, 20, 0.85);
  color: #FFFFFF;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-subtle);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  pointer-events: none;
  backdrop-filter: blur(4px);
}

/* --------------------------------------------------------------------------
   04. OUR PROCESS SECTION
   -------------------------------------------------------------------------- */
.process-section {
  background-color: var(--bg-secondary);
  padding: clamp(4rem, 8vw, 7.5rem) 0;
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
  position: relative;
}

.process-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(3rem, 6vw, 5rem) auto;
}

.process-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  letter-spacing: 0.16em;
  color: var(--accent-beige);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  display: block;
}

.process-title {
  font-family: var(--font-serif);
  font-size: var(--text-display);
  font-weight: 500;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  letter-spacing: -0.015em;
}

.process-intro {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Process Timeline Grid (5 Steps) */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(1rem, 2vw, 2rem);
  position: relative;
}

/* Continuous hairline connection across desktop steps */
.process-grid::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 20px;
  right: 20px;
  height: 1px;
  background-color: var(--border-light);
  z-index: 1;
}

.process-card {
  position: relative;
  z-index: 2;
  background-color: #FFFFFF;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-subtle);
  padding: clamp(1.25rem, 2.5vw, 2rem);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.process-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.05);
  border-color: var(--accent-beige);
}

.process-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.process-step-num {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-beige);
  letter-spacing: 0.1em;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-hairline);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.process-phase-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.process-card-title {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 1.6vw, 1.45rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  letter-spacing: -0.01em;
}

.process-card-desc {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  line-height: 1.62;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.process-deliverables {
  border-top: 1px dashed var(--border-hairline);
  padding-top: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   05. WHY RSON SECTION
   -------------------------------------------------------------------------- */
.why-rson-section {
  background-color: var(--bg-primary);
  padding: clamp(4rem, 8vw, 7.5rem) 0;
  position: relative;
}

.why-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-bottom: clamp(3rem, 5vw, 4.5rem);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-hairline);
}

.why-header-left {
  max-width: 680px;
}

.why-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  letter-spacing: 0.16em;
  color: var(--accent-beige);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  display: block;
}

.why-title {
  font-family: var(--font-serif);
  font-size: var(--text-display);
  font-weight: 500;
  line-height: 1.15;
  color: var(--text-primary);
  letter-spacing: -0.015em;
  margin-bottom: var(--space-xs);
}

.why-tagline {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.why-header-stats {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: right;
}

/* Why RSON 4-Column Grid */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.25rem, 2vw, 2.25rem);
}

.why-card {
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  background-color: #FFFFFF;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-subtle);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.why-card:hover {
  border-color: var(--border-dark);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.04);
  transform: translateY(-3px);
}

.why-card-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--accent-beige);
  margin-bottom: var(--space-md);
  display: block;
}

.why-card-title {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 1.5vw, 1.4rem);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.why-card-text {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   06. FINAL CTA SECTION
   -------------------------------------------------------------------------- */
.services-cta-section {
  background-color: var(--bg-secondary);
  padding: clamp(4.5rem, 9vw, 8rem) 0;
  border-top: 1px solid var(--border-hairline);
  text-align: center;
}

.services-cta-inner {
  max-width: 780px;
  margin: 0 auto;
}

.services-cta-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  letter-spacing: 0.18em;
  color: var(--accent-beige);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  display: block;
}

.services-cta-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  font-weight: 500;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.services-cta-subtitle {
  font-family: var(--font-sans);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.services-cta-btn-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.services-cta-coordinates {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.services-cta-coordinates a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.services-cta-coordinates a:hover {
  color: var(--accent-beige);
}

/* --------------------------------------------------------------------------
   07. RESPONSIVE MEDIA QUERIES (INTENTIONAL MOBILE LAYOUT)
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .process-grid::before {
    display: none;
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* Hero on mobile */
  .services-hero {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }
  
  .services-hero-visual {
    aspect-ratio: 16 / 10;
  }

  .services-hero-caption {
    font-size: 0.65rem;
    padding: var(--space-xs) var(--space-sm);
  }

  /* Index nav bar horizontal scroll */
  .services-index-bar {
    position: static;
  }
  
  .services-index-link {
    font-size: 0.76rem;
    padding: 0.35rem 0.65rem;
  }

  /* Service Blocks Stack on Mobile */
  .service-block {
    padding: 3rem 0;
  }

  .service-grid,
  .service-block--reverse .service-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  /* Intentional ordering: Number/Header -> Image -> Description -> Tags -> CTA */
  .service-block--reverse .service-text-col,
  .service-text-col {
    order: 1;
  }

  .service-block--reverse .service-media-col,
  .service-media-col {
    order: 2;
  }

  .service-number {
    font-size: 2.75rem;
  }

  .service-title {
    font-size: 1.85rem;
    margin-bottom: var(--space-sm);
  }

  .service-description {
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
    line-height: 1.6;
  }

  .service-image-frame {
    aspect-ratio: 16 / 10;
  }

  .service-image-badge {
    font-size: 0.62rem;
    padding: 0.25rem 0.5rem;
  }

  .service-capabilities {
    margin-bottom: var(--space-lg);
  }

  .service-tag {
    font-size: 0.76rem;
    padding: 0.3rem 0.65rem;
  }

  /* Process Timeline on Mobile (Vertical Stack) */
  .process-section {
    padding: 3.5rem 0;
  }

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

  .process-card {
    padding: 1.25rem;
  }

  .process-card-top {
    margin-bottom: 0.75rem;
  }

  .process-step-num {
    width: 32px;
    height: 32px;
    font-size: 0.78rem;
  }

  .process-card-title {
    font-size: 1.2rem;
  }

  .process-card-desc {
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
  }

  /* Why RSON on Mobile */
  .why-rson-section {
    padding: 3.5rem 0;
  }

  .why-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: 2rem;
  }

  .why-header-stats {
    text-align: left;
  }

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

  .why-card {
    padding: 1.25rem;
  }

  /* CTA on Mobile */
  .services-cta-section {
    padding: 3.5rem 0;
  }

  .services-cta-title {
    font-size: 2.2rem;
  }

  .services-cta-coordinates {
    flex-direction: column;
    gap: var(--space-xs);
    font-size: 0.74rem;
  }
}

@media (max-width: 480px) {
  .services-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .services-hero-actions .btn {
    text-align: center;
    justify-content: center;
  }

  .services-cta-btn-wrap {
    flex-direction: column;
    align-items: stretch;
  }

  .services-cta-btn-wrap .btn {
    text-align: center;
    justify-content: center;
  }
}