/* ============================================================
   ARMAAZ LEATHER GEAR — PREMIUM VISUAL FOUNDATION (PHASE 4A)
   Namespaced: .pr-* (Premium)
   ============================================================ */

:root {
  /* 1. COLOR TOKENS */
  --pr-c-white:         #FFFFFF;
  --pr-c-ivory:         #FAF9F6;
  --pr-c-stone:         #E8E6E1;
  --pr-c-light-neutral: #F5F5F5;
  --pr-c-charcoal:      #222222;
  --pr-c-deep-brown:    #1A1614;
  --pr-c-leather:       #8C6239;
  --pr-c-border:        #E8E6E1;
  --pr-c-muted:         #66635F;

  /* Typographic Scale (reusable variables) */
  --pr-font-head: 'Manrope', -apple-system, sans-serif;
  --pr-font-body: 'Inter', -apple-system, sans-serif;
}

/* ============================================================
   2. TYPOGRAPHY TOKENS
   ============================================================ */
.pr-display {
  font-family: var(--pr-font-head);
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--pr-c-charcoal);
}

.pr-h1 {
  font-family: var(--pr-font-head);
  font-size: clamp(2.5rem, 4vw, 3.75rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--pr-c-charcoal);
}

.pr-h2 {
  font-family: var(--pr-font-head);
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 500;
  line-height: 1.2;
  color: var(--pr-c-charcoal);
}

.pr-h3 {
  font-family: var(--pr-font-head);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--pr-c-charcoal);
}

.pr-eyebrow {
  font-family: var(--pr-font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pr-c-muted);
}

.pr-body-large {
  font-family: var(--pr-font-body);
  font-size: clamp(1.125rem, 1.5vw, 1.25rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--pr-c-charcoal);
}

.pr-body {
  font-family: var(--pr-font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--pr-c-charcoal);
}

.pr-small {
  font-family: var(--pr-font-body);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--pr-c-muted);
}

.pr-tech-label {
  font-family: var(--pr-font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--pr-c-deep-brown);
}

.pr-cta-text {
  font-family: var(--pr-font-head);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================================
   3. SPACING SYSTEM
   ============================================================ */
:root {
  --pr-space-micro:     0.5rem;
  --pr-space-component: 2rem;
  --pr-space-section:   clamp(4rem, 8vw, 8rem);
  --pr-space-editorial: clamp(6rem, 12vw, 12rem);
}

.pr-py-section { padding-top: var(--pr-space-section); padding-bottom: var(--pr-space-section); }
.pr-py-editorial { padding-top: var(--pr-space-editorial); padding-bottom: var(--pr-space-editorial); }
.pr-mb-micro { margin-bottom: var(--pr-space-micro); }
.pr-mb-component { margin-bottom: var(--pr-space-component); }

/* ============================================================
   4. GRID SYSTEM
   ============================================================ */
.pr-grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2rem;
}

.pr-grid-editorial {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}

.pr-grid-7-5 {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 2rem;
}

.pr-grid-8-4 {
  display: grid;
  grid-template-columns: 8fr 4fr;
  gap: 2rem;
}

.pr-grid-6-6 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.pr-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.pr-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pr-col-full { grid-column: 1 / -1; }
.pr-col-narrow { grid-column: 3 / 11; }

/* ============================================================
   5. VISUAL SURFACES
   ============================================================ */
.pr-surface-white { background-color: var(--pr-c-white); color: var(--pr-c-charcoal); }
.pr-surface-ivory { background-color: var(--pr-c-ivory); color: var(--pr-c-charcoal); }
.pr-surface-stone { background-color: var(--pr-c-stone); color: var(--pr-c-charcoal); }
.pr-surface-dark { background-color: var(--pr-c-deep-brown); color: var(--pr-c-white); }

/* Structural Blocks */
.pr-block-editorial { padding: var(--pr-space-editorial) 0; }
.pr-block-tech { border-top: 1px solid var(--pr-c-border); padding: var(--pr-space-component) 0; }
.pr-block-process { background-color: var(--pr-c-ivory); padding: var(--pr-space-section); }
.pr-block-portfolio { padding: var(--pr-space-section) 0; }
.pr-block-cta { background-color: var(--pr-c-deep-brown); color: var(--pr-c-white); padding: var(--pr-space-section) 0; text-align: center; }

/* Image Splits */
.pr-split-img-text { display: flex; align-items: center; gap: 4rem; }
.pr-split-img-text > * { flex: 1; }

/* ============================================================
   6. BUTTON SYSTEM
   ============================================================ */
.pr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: 2px; /* Restrained, B2B, Architectural */
  text-decoration: none;
  transition: all 0.2s ease-out;
  cursor: pointer;
  border: 1px solid transparent;
}

.pr-btn-primary {
  background-color: var(--pr-c-deep-brown);
  color: var(--pr-c-white);
}

.pr-btn-primary:hover {
  background-color: var(--pr-c-charcoal);
}

.pr-btn-secondary {
  background-color: transparent;
  color: var(--pr-c-deep-brown);
  border-color: var(--pr-c-deep-brown);
}

.pr-btn-secondary:hover {
  background-color: var(--pr-c-deep-brown);
  color: var(--pr-c-white);
}

.pr-btn-tertiary {
  background-color: transparent;
  color: var(--pr-c-leather);
  padding: 0;
  border-bottom: 1px solid var(--pr-c-leather);
  border-radius: 0;
}

.pr-btn-tertiary:hover {
  color: var(--pr-c-deep-brown);
  border-color: var(--pr-c-deep-brown);
}

/* ============================================================
   7. IMAGE SYSTEM
   ============================================================ */
.pr-img-base {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: var(--pr-c-stone);
}

.pr-img-wrapper {
  overflow: hidden;
  position: relative;
}

.pr-img-portrait { aspect-ratio: 3 / 4; }
.pr-img-landscape { aspect-ratio: 16 / 9; }
.pr-img-square { aspect-ratio: 1 / 1; }
.pr-img-full { width: 100vw; position: relative; left: 50%; right: 50%; margin-left: -50vw; margin-right: -50vw; }
.pr-img-editorial { aspect-ratio: 4 / 5; }
.pr-img-product { aspect-ratio: 5 / 6; mix-blend-mode: multiply; }
.pr-img-macro { aspect-ratio: 2 / 1; }

/* ============================================================
   8. MOTION SYSTEM
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  .pr-fade-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }
  
  .pr-fade-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }

  .pr-img-reveal {
    transform: scale(1.05);
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .pr-img-reveal.is-visible {
    transform: scale(1);
  }

  .pr-hover-move:hover {
    transform: translateY(-4px);
  }

  .pr-anim-underline {
    position: relative;
  }
  .pr-anim-underline::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: currentColor;
    transition: width 0.3s ease-out;
  }
  .pr-anim-underline:hover::after {
    width: 100%;
  }

  .pr-btn-arrow-move svg {
    transition: transform 0.2s ease-out;
  }
  .pr-btn-arrow-move:hover svg {
    transform: translateX(4px);
  }
}

/* ============================================================
   9. RESPONSIVE FOUNDATION
   ============================================================ */
@media (max-width: 1440px) {}
@media (max-width: 1280px) {}

@media (max-width: 1024px) {
  .pr-grid-12, .pr-grid-editorial, .pr-grid-7-5, .pr-grid-8-4, .pr-grid-6-6, .pr-grid-3, .pr-grid-4 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .pr-col-narrow {
    grid-column: 1 / -1;
  }
  .pr-split-img-text {
    flex-direction: column;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --pr-space-section: 4rem;
    --pr-space-editorial: 5rem;
  }
}

@media (max-width: 430px) {}
@media (max-width: 390px) {}
@media (max-width: 375px) {}

/* ============================================================
   10. ADDITIONS (PHASE 4B HOMEPAGE)
   ============================================================ */
.pr-process-number {
  font-family: var(--pr-font-head);
  font-size: clamp(4rem, 6vw, 6rem);
  font-weight: 200;
  color: var(--pr-c-border);
  line-height: 1;
  letter-spacing: -0.05em;
  display: block;
}

.pr-insight-item {
  border-top: 1px solid var(--pr-c-border);
  padding: var(--pr-space-component) 0;
  display: flex;
  flex-direction: column;
  gap: var(--pr-space-micro);
}

.pr-insight-item:hover .pr-anim-underline::after {
  width: 100%;
}