/* ============================================================
   SKILLS PAGE
   ============================================================ */

.page-header { padding-top: calc(var(--space-16) + 80px); }
.page-header__headline { margin-top: var(--space-2); max-width: 800px; }
.page-header__sub { max-width: 560px; margin-top: var(--space-4); }

/* ── Skill Features ─────────────────────────────────────── */
.skill-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding: var(--space-16) 0;
}

.skill-feature--reverse {
  direction: rtl;
}

.skill-feature--reverse > * { direction: ltr; }

.skill-feature__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.skill-feature__content .heading-xl { line-height: 42px; }
.skill-feature__content .body-lg    { line-height: 26px; }

.skill-feature__num {
  font-size: var(--text-xs);
  font-weight: var(--weight-black);
  letter-spacing: 0.15em;
  color: var(--color-accent);
}

.skill-feature__tools {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-1);
}

.skill-tool {
  display: inline-flex;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  transition: all var(--dur-base) var(--ease-out);
}

.skill-tool:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* Tools Belt section pills use bg color (slightly lighter than surface) */
.tools .skill-tool {
  background: var(--color-bg);
}

/* ── Graphics ────────────────────────────────────────────── */
.skill-feature__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.skill-feature__photo {
  width: 100%;
  max-width: 608px;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
  transition: transform var(--dur-slow) var(--ease-out), box-shadow var(--dur-slow) var(--ease-out);
}

.skill-feature__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--dur-slow) var(--ease-out);
}

.skill-feature:hover .skill-feature__photo {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 32px 80px rgba(0,0,0,0.18);
}

.skill-feature:hover .skill-feature__photo img {
  transform: scale(1.04);
}

.skill-feature__graphic {
  width: 100%;
  max-width: 420px;
  height: 320px;
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* AI Graphic */
.skill-feature__graphic--ai {
  background: linear-gradient(135deg, #f0f4ff 0%, #e8f0ff 100%);
}

.sf-orb {
  position: absolute;
  border-radius: 50%;
  animation: orbFloat 6s ease-in-out infinite;
}

.sf-orb--1 {
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(0,87,255,0.15), transparent);
  top: -40px; right: -40px;
  animation-delay: 0s;
}

.sf-orb--2 {
  width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(0,87,255,0.2), transparent);
  bottom: 20px; left: 20px;
  animation-delay: 2s;
}

.sf-orb--3 {
  width: 80px; height: 80px;
  background: radial-gradient(circle, rgba(0,87,255,0.25), transparent);
  top: 50%; left: 60%;
  animation-delay: 4s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(-8px, -12px); }
}

.sf-center {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.sf-icon {
  font-size: 3rem;
  color: var(--color-accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.1); opacity: 0.8; }
}

.sf-label {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
  letter-spacing: -0.01em;
}

/* Management Graphic */
.skill-feature__graphic--mgmt {
  background: linear-gradient(135deg, #f8f8f6 0%, #f0f0ee 100%);
}

.mgmt-chart {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  padding: var(--space-4);
}

.mgmt-node {
  padding: 10px 20px;
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-align: center;
  color: var(--color-text-primary);
  box-shadow: var(--shadow-sm);
}

.mgmt-node small {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: var(--weight-medium);
  margin-top: 2px;
}

.mgmt-node--top {
  background: var(--color-text-primary);
  color: var(--color-white);
  border-color: var(--color-text-primary);
}

.mgmt-node--top small { color: rgba(255,255,255,0.7); }

.mgmt-row {
  display: flex;
  gap: var(--space-2);
  position: relative;
}

.mgmt-row::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 50%;
  width: 1px;
  height: 20px;
  background: var(--color-border);
}

/* UX Design Graphic */
.skill-feature__graphic--ux {
  background: linear-gradient(135deg, #f5f5f3 0%, #eeeeeb 100%);
}

.ux-frames {
  position: relative;
  width: 260px;
  height: 200px;
}

.ux-frame {
  position: absolute;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  background: var(--color-white);
  box-shadow: var(--shadow-md);
}

.ux-frame--1 {
  width: 200px; height: 150px;
  top: 0; left: 30px;
  z-index: 3;
  background: linear-gradient(135deg, #fff 60%, var(--color-accent-light));
}

.ux-frame--2 {
  width: 180px; height: 140px;
  top: 20px; left: 10px;
  z-index: 2;
  opacity: 0.7;
}

.ux-frame--3 {
  width: 180px; height: 140px;
  top: 40px; left: 50px;
  z-index: 1;
  opacity: 0.4;
}

/* Design System Graphic */
.skill-feature__graphic--ds {
  background: linear-gradient(135deg, #f0f4ff 0%, #e8f0ff 100%);
  padding: var(--space-5);
}

.ds-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 100%;
}

.ds-cell {
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  transition: transform var(--dur-base) var(--ease-out);
}

.ds-cell:hover { transform: scale(1.05); }

.ds-cell--color {
  height: 56px;
  border-radius: var(--radius-md);
}

.ds-cell--type {
  height: 56px;
  background: var(--color-white);
  color: var(--color-text-primary);
  font-size: var(--text-2xl);
  border: 1.5px solid var(--color-border);
}

.ds-cell--comp {
  height: 48px;
  background: var(--color-white);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.05em;
  border: 1.5px solid var(--color-border);
}

/* Research Graphic */
.skill-feature__graphic--research {
  background: linear-gradient(135deg, #f5f5f3 0%, #eeeeeb 100%);
  padding: var(--space-6);
  align-items: flex-end;
}

.research-bars {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  height: 200px;
  width: 100%;
}

.r-bar {
  flex: 1;
  background: linear-gradient(to top, var(--color-accent), rgba(0,87,255,0.3));
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 8px;
  animation: barGrow 1s var(--ease-out) forwards;
  transform-origin: bottom;
}

.r-bar span {
  font-size: 10px;
  font-weight: var(--weight-semibold);
  color: rgba(255,255,255,0.9);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

@keyframes barGrow {
  from { transform: scaleY(0); }
  to   { transform: scaleY(1); }
}

/* ── Tools Section ───────────────────────────────────────── */
.tools {
  padding: var(--space-16) 0 !important;
}

.tools .label { margin-bottom: var(--space-2); }

.tools__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.tools__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.tools__group-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.tools__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .skill-feature {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding: var(--space-10) 0;
  }

  .skill-feature--reverse { direction: ltr; }
  .skill-feature__graphic { max-width: 100%; height: 240px; }
  .tools__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 375px) {
  .tools__grid { grid-template-columns: 1fr; }
}