/* General Section Rhythm */
.nior-section {
  position: relative;
  padding: var(--section-pad-y) 0;
  overflow: hidden;

  &.nior-section--dark,
  &--dark {
    background-color: var(--nior-obsidian);
  }

  &.nior-section--surface,
  &--surface {
    background-color: var(--nior-surface);
  }

  &.nior-section--taupe,
  &--taupe {
    background-color: var(--nior-taupe);
  }
}

/* Section Header & Content Block Foundations */
.nior-section-header {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto clamp(40px, 5vw, 60px);

  .nior-eyebrow {
    justify-content: center;
  }

  h1, h2, h3 {
    margin-bottom: 16px;

    &:last-child {
      margin-bottom: 0;
    }
  }

  p {
    font-size: 15px;
    color: var(--nior-muted);
    line-height: 1.7;
    max-width: 640px;
    margin: 0 auto;
  }
}

.nior-content-block {
  position: relative;
}

/* ==========================================================================
   1. Apple-Style Rack Focus Statement Section
   ========================================================================== */
.nior-rack-section {
  position: relative;
  height: 270vh;
  background-color: #0c0d0e;
  background-image:
    linear-gradient(180deg, rgba(12, 13, 14, 0.72) 0%, rgba(12, 13, 14, 0.62) 50%, rgba(12, 13, 14, 0.80) 100%),
    radial-gradient(circle at center, rgba(12, 13, 14, 0.40) 0%, rgba(12, 13, 14, 0.75) 100%),
    url('../img/hq/factory-3.jpg');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  color: var(--nior-white, #ffffff);
  overflow-x: clip;
  margin: 0;
  margin-top: 0;
  margin-block-start: 0;
  margin-block-end: 0;
  border: none;
  z-index: 12;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

/* Guarantee seamless zero-gap handover between Hero and Philosophy section */
body .wp-site-blocks > .nior-walkthrough-hero-track,
body .wp-site-blocks > .nior-rack-section,
.wp-site-blocks > * + .nior-rack-section,
.nior-walkthrough-hero-track + .nior-rack-section {
  margin-top: 0;
  margin-block-start: 0;
  border-top: none;
}

.nior-rack-stage {
  position: relative;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
  padding: 0 24px;
  background-color: #0c0d0e;
  background-image:
    linear-gradient(180deg, rgba(12, 13, 14, 0.72) 0%, rgba(12, 13, 14, 0.62) 50%, rgba(12, 13, 14, 0.80) 100%),
    radial-gradient(circle at center, rgba(12, 13, 14, 0.40) 0%, rgba(12, 13, 14, 0.75) 100%),
    url('../img/hq/factory-3.jpg');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  z-index: 12;
  box-sizing: border-box;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.nior-rack-eyebrow {
  color: var(--nior-gold, #c9a25e);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 1;
  transform: translateY(0);
  will-change: opacity, transform;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.nior-rack-headline {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2.4rem, 5.5vw, 5.2rem);
  line-height: 1.1;
  max-width: 22ch;
  margin: 0 auto;
  color: var(--nior-white, #ffffff);
  letter-spacing: -0.015em;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.95), 0 2px 10px rgba(0, 0, 0, 0.9);

  span.rack-word {
    display: inline-block;
    opacity: 0.14;
    transform: translateY(0.25em);
    filter: blur(6px);
    will-change: opacity, transform, filter;
    margin-right: 0.18em;
    transition: color 0.3s ease;
    color: var(--nior-white, #ffffff);

    &.em {
      color: var(--nior-gold, #c9a25e);
      font-style: italic;
    }
  }
}

.nior-rack-sub {
  color: var(--nior-champagne, rgba(244, 235, 225, 0.85));
  font-size: clamp(16px, 1.6vw, 20px);
  max-width: 54ch;
  margin: 36px auto 0;
  opacity: 0;
  will-change: opacity;
  line-height: 1.8;
  text-shadow: 0 2px 15px rgba(0, 0, 0, 0.9);
}

/* ==========================================================================
   2. In-House 11,000 SQ FT Facility Section (Who We Are)
   ========================================================================== */
.nior-inhouse-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;

  @media (max-width: 900px) {
    grid-template-columns: 1fr;
  }
}

.nior-inhouse-content {
  h2 {
    font-size: clamp(2.4rem, 4.2vw, 3.8rem);
    margin-bottom: 24px;
  }

  p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
  }
}

.nior-inhouse-statbox {
  background: var(--nior-surface-light);
  border: 1px solid var(--nior-border);
  border-radius: 4px;
  padding: clamp(30px, 4vw, 50px);
  position: relative;
  overflow: hidden;

  &::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--nior-gold);
  }

  .nior-statbox-tag {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: var(--nior-gold);
    text-transform: uppercase;
    margin-bottom: 12px;
  }

  .nior-statbox-big {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 600;
    line-height: 1;
    color: var(--nior-white);
    margin-bottom: 16px;

    span {
      font-size: 0.45em;
      color: var(--nior-gold);
      margin-left: 6px;
    }
  }

  .nior-statbox-desc {
    font-size: 14px;
    line-height: 1.8;
    color: var(--nior-muted);
    margin-bottom: 0;
  }
}

/* ==========================================================================
   3. 4 Value Pillars (Design, Emotion, Behavior, Value)
   ========================================================================== */
.nior-pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
  perspective: 1200px;

  @media (max-width: 1024px) {
    grid-template-columns: repeat(2, 1fr);
  }

  @media (max-width: 600px) {
    grid-template-columns: 1fr;
  }
}

.nior-pillar-card {
  background: var(--nior-surface);
  border: 1px solid var(--nior-border);
  border-radius: 4px;
  padding: clamp(28px, 3.5vw, 40px);
  position: relative;
  transition: transform 0.4s var(--ease-out-luxury), border-color 0.4s ease, box-shadow 0.4s ease;

  &:hover {
    transform: translateY(-4px);
    border-color: var(--nior-gold);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35), 0 0 20px rgba(201, 162, 94, 0.08);
  }

  .nior-pillar-icon {
    color: var(--nior-gold);
    margin-bottom: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 0;
    transition: transform 0.4s var(--ease-out-luxury), filter 0.4s ease, color 0.4s ease;

    svg {
      width: 44px;
      height: 44px;
    }
  }

  &:hover .nior-pillar-icon {
    transform: translateY(-2px) scale(1.04);
    filter: drop-shadow(0 0 8px rgba(201, 162, 94, 0.45));
    color: var(--nior-gold-light);
  }

  .nior-pillar-num {
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--nior-gold);
    letter-spacing: 0.2em;
    margin-bottom: 16px;
    display: block;
    transition: color 0.3s ease;
  }

  &:hover .nior-pillar-num {
    color: var(--nior-gold-light);
  }

  .nior-pillar-title {
    font-size: 22px;
    margin-bottom: 14px;
    color: var(--nior-white);
    transition: color 0.3s ease;
  }

  &:hover .nior-pillar-title {
    color: #ffffff;
  }

  .nior-pillar-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--nior-muted);
    margin-bottom: 0;
  }
}

/* ==========================================================================
   4. Integrated Process (Strategy -> Design -> Technical -> Build -> Handover)
   ========================================================================== */
.nior-process-video-section {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--nior-border);
  border-bottom: 1px solid var(--nior-border);

  .nior-process-video-bg,
  .nior-process-bg-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.80;
    pointer-events: none;
    z-index: 1;
  }

  .nior-process-video-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
      ellipse 90% 80% at 50% 50%,
      rgba(12, 13, 14, 0.40) 0%,
      rgba(12, 13, 14, 0.65) 60%,
      rgba(12, 13, 14, 0.85) 100%
    );
    pointer-events: none;
    z-index: 2;
  }

  .nior-container {
    position: relative;
    z-index: 3;
    width: 100%;
  }

  .nior-process-step {
    background: rgba(18, 19, 21, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);

    &:hover {
      background: rgba(24, 25, 28, 0.92);
      border-color: var(--nior-gold);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45), 0 0 20px rgba(201, 162, 94, 0.12);
    }
  }
}

.nior-process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 50px;
  perspective: 1200px;

  @media (max-width: 1100px) {
    grid-template-columns: repeat(3, 1fr);
  }

  @media (max-width: 768px) {
    grid-template-columns: 1fr;
  }
}

.nior-process-step {
  background: var(--nior-surface-light);
  border: 1px solid var(--nior-border);
  border-radius: 4px;
  padding: 30px 24px;
  position: relative;
  transition: transform 0.4s var(--ease-out-luxury), border-color 0.3s ease, box-shadow 0.4s ease;

  &:hover {
    transform: translateY(-3px);
    border-color: var(--nior-gold);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3), 0 0 16px rgba(201, 162, 94, 0.06);
  }

  .nior-step-icon {
    color: var(--nior-gold);
    margin-bottom: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 0;
    transition: transform 0.4s var(--ease-out-luxury), filter 0.4s ease, color 0.4s ease;

    svg {
      width: 36px;
      height: 36px;
    }
  }

  &:hover .nior-step-icon {
    transform: translateY(-2px) scale(1.04);
    filter: drop-shadow(0 0 6px rgba(201, 162, 94, 0.4));
    color: var(--nior-gold-light);
  }

  .nior-step-badge {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: var(--nior-gold);
    text-transform: uppercase;
    margin-bottom: 12px;
    display: block;
    transition: color 0.3s ease;
  }

  &:hover .nior-step-badge {
    color: var(--nior-gold-light);
  }

  .nior-step-title {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--nior-white);
    transition: color 0.3s ease;
  }

  &:hover .nior-step-title {
    color: #ffffff;
  }

  .nior-step-sub {
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--nior-gold-light);
    margin-bottom: 12px;
    text-transform: uppercase;

    &:last-child {
      margin-bottom: 0;
    }
  }

  .nior-step-desc {
    font-size: 13px;
    line-height: 1.7;
    color: var(--nior-muted);
    margin-bottom: 0;
  }
}

/* ==========================================================================
   5. Featured Project: The V Sing Bar Showcase
   ========================================================================== */
.nior-vstage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 70px);
  align-items: center;

  @media (max-width: 900px) {
    grid-template-columns: 1fr;
  }
}

.nior-vstage-media {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--nior-border);

  img {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out-luxury);
  }

  &:hover img {
    transform: scale(1.04);
  }

  .nior-vstage-tag {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background: rgba(12, 13, 14, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid var(--nior-border);
    padding: 8px 18px;
    border-radius: 2px;
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--nior-gold);
  }
}

.nior-vstage-details {
  h2 {
    font-size: clamp(2.2rem, 4.2vw, 3.6rem);
    margin-bottom: 8px;
  }

  .nior-vstage-cat {
    font-size: 12px;
    letter-spacing: 0.25em;
    color: var(--nior-gold);
    text-transform: uppercase;
    margin-bottom: 24px;
    display: block;
  }

  p {
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 20px;
  }

  .nior-vstage-impact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 28px 0;

    .nior-impact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 13px;
      color: var(--nior-white);

      span.num {
        font-family: var(--font-serif);
        color: var(--nior-gold);
        font-weight: 600;
      }
    }
  }
}

/* ==========================================================================
   6. Commercial Sectors Grid (Commercial, F&B, Retail, Residential)
   ========================================================================== */
.nior-sectors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
  perspective: 1200px;

  @media (max-width: 1024px) {
    grid-template-columns: repeat(2, 1fr);
  }

  @media (max-width: 600px) {
    grid-template-columns: 1fr;
  }
}

.nior-sector-card {
  background: var(--nior-surface);
  border: 1px solid var(--nior-border);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 0.4s var(--ease-out-luxury), border-color 0.4s ease, box-shadow 0.4s ease;

  &:hover {
    transform: translateY(-4px);
    border-color: var(--nior-gold);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35), 0 0 18px rgba(201, 162, 94, 0.08);
  }

  .nior-sector-card__body {
    padding: 30px 24px;
  }

  .nior-sector-card__tag {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--nior-gold);
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
    transition: color 0.3s ease;
  }

  &:hover .nior-sector-card__tag {
    color: var(--nior-gold-light);
  }

  .nior-sector-card__title {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--nior-white);
    transition: color 0.3s ease;
  }

  &:hover .nior-sector-card__title {
    color: #ffffff;
  }

  .nior-sector-card__desc {
    font-size: 13px;
    line-height: 1.7;
    color: var(--nior-muted);
    margin-bottom: 20px;
  }

  .nior-sector-card__features {
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--nior-subtle);
    border-top: 1px solid var(--nior-border);
    padding-top: 14px;
    text-transform: uppercase;
  }
}

/* ==========================================================================
   7. Call to Action Handover Section
   ========================================================================== */
.nior-cta-box {
  background: linear-gradient(135deg, var(--nior-surface) 0%, var(--nior-surface-light) 100%);
  border: 1px solid var(--nior-border);
  border-radius: 6px;
  padding: clamp(50px, 8vw, 100px) clamp(30px, 6vw, 80px);
  text-align: center;
  position: relative;
  overflow: hidden;

  h2 {
    font-size: clamp(2.4rem, 5vw, 4.4rem);
    max-width: 18ch;
    margin: 0 auto 24px;
  }

  p {
    font-size: 16px;
    max-width: 580px;
    margin: 0 auto 36px;
  }
}

/* ==========================================================================
   8. Why Nior Atelier — Image-Backed Advantage Cards
   ========================================================================== */
.nior-advantages-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  perspective: 1200px;

  @media (max-width: 860px) {
    grid-template-columns: 1fr;
  }
}

.nior-advantage-card {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  min-height: 380px;
  border: 1px solid var(--nior-border);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(30px, 4vw, 44px);
  transition: transform 0.5s var(--ease-out-luxury), border-color 0.4s ease, box-shadow 0.4s ease;

  &:hover {
    transform: translateY(-4px);
    border-color: var(--nior-gold);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45), 0 0 20px rgba(201, 162, 94, 0.08);

    .nior-advantage-card__bg {
      transform: scale(1.04);
    }
  }

  .nior-advantage-card__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    transition: transform 0.8s var(--ease-out-luxury);
  }

  .nior-advantage-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(12, 13, 14, 0.35) 0%, rgba(12, 13, 14, 0.82) 55%, rgba(12, 13, 14, 0.96) 100%);
    z-index: 2;
    pointer-events: none;
  }

  .nior-advantage-card__content {
    position: relative;
    z-index: 3;
  }

  .nior-advantage-num {
    font-family: var(--font-serif);
    font-size: 13px;
    letter-spacing: 0.22em;
    color: var(--nior-gold);
    display: block;
    margin-bottom: 12px;
    transition: color 0.3s ease;
  }

  &:hover .nior-advantage-num {
    color: var(--nior-gold-light);
  }

  .nior-advantage-title {
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 2.2vw, 1.85rem);
    color: var(--nior-white);
    margin-bottom: 14px;
    line-height: 1.25;
    transition: color 0.3s ease;
  }

  &:hover .nior-advantage-title {
    color: #ffffff;
  }

  .nior-advantage-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--nior-muted);
    margin-bottom: 0;
    max-width: 48ch;
  }
}

/* ==========================================================================
   9. CTA Video Background Enhancement
   ========================================================================== */
.nior-cta-video-section {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--nior-border);
  border-bottom: 1px solid var(--nior-border);
  min-height: clamp(520px, 68vh, 780px);
  display: flex;
  align-items: center;
  padding: clamp(90px, 14vh, 160px) 0;

  .nior-cta-video-bg,
  .nior-cta-bg-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.80;
    pointer-events: none;
    z-index: 1;
  }

  .nior-cta-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
      180deg,
      rgba(12, 13, 14, 0.45) 0%,
      rgba(12, 13, 14, 0.55) 50%,
      rgba(12, 13, 14, 0.75) 100%
    );
    pointer-events: none;
    z-index: 2;
  }

  .nior-container {
    position: relative;
    z-index: 3;
    width: 100%;
  }

  .nior-cta-box {
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;

    h2 {
      font-size: clamp(2.4rem, 5vw, 4.4rem);
      max-width: 18ch;
      margin: 0 auto 24px;
      text-shadow: 0 2px 24px rgba(0, 0, 0, 0.95);
    }

    p {
      font-size: 16px;
      max-width: 620px;
      margin: 0 auto 36px;
      color: var(--nior-white);
      opacity: 0.9;
      text-shadow: 0 1px 16px rgba(0, 0, 0, 0.9);
    }
  }
}