/* ═══════════════════════════════════════════
   PORTFOLIO — page-specific styles
═══════════════════════════════════════════ */

/* Filter bar */
.filter-bar {
  padding: 32px 40px;
  display: flex; align-items: center; gap: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.filter-label { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.2em; color: var(--steel-faint); text-transform: uppercase; }
.filter-btn {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--steel-dim); background: none; border: none;
  padding: 6px 0; position: relative; transition: color 0.3s;
}
.filter-btn::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 1px; background: var(--red); transition: width 0.4s var(--ease-expo); }
.filter-btn.active { color: var(--steel); }
.filter-btn.active::after { width: 100%; }
.filter-btn:hover { color: var(--steel); }
.filter-btn:hover::after { width: 100%; }

/* Project cards */
.projects { padding: 0 40px 80px; }
.project {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  min-height: 420px;
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s var(--ease-expo), transform 0.7s var(--ease-expo);
}
.project.visible { opacity: 1; transform: translateY(0); }
.project:nth-child(even) { direction: rtl; }
.project:nth-child(even) > * { direction: ltr; }

.project-visual {
  position: relative; overflow: hidden;
  background: var(--concrete); min-height: 420px;
}
.project-visual-inner {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center; padding: 40px;
}
.project-mockup {
  width: 100%; height: 100%;
  border: 1px solid rgba(255,255,255,0.06); border-radius: 4px;
  position: relative; overflow: hidden; background: var(--vanta);
  transition: transform 0.6s var(--ease-expo), border-color 0.4s;
}
.project:hover .project-mockup {
  transform: scale(1.02); border-color: rgba(255,255,255,0.12);
}

/* Browser chrome */
.mockup-chrome {
  height: 28px; background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  display: flex; align-items: center; padding: 0 12px; gap: 6px;
}
.mockup-dot { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,0.08); }
.mockup-url {
  margin-left: 12px; font-family: var(--font-mono); font-size: 8px;
  color: var(--steel-faint); letter-spacing: 0.04em;
}
.mockup-screen {
  position: absolute; top: 28px; left: 0; right: 0; bottom: 0; overflow: hidden;
}
.mockup-screen img {
  width: 100%; height: 100%; object-fit: cover; object-position: top;
  filter: brightness(0.9); transition: filter 0.4s;
}
.project:hover .mockup-screen img { filter: brightness(1); }
.mockup-gradient {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}
.mockup-gradient .brand-mark {
  font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700; letter-spacing: -0.04em; color: var(--steel); opacity: 0.15;
}

/* Project info */
.project-info {
  padding: 48px 40px;
  display: flex; flex-direction: column; justify-content: center;
}
.project-index { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.15em; color: var(--steel-faint); margin-bottom: 16px; }
.project-name {
  font-family: var(--font-display); font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; margin-bottom: 8px;
}
.project-type {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--red); margin-bottom: 20px;
}
.project-desc {
  font-family: var(--font-mono); font-size: 11px; line-height: 1.8;
  color: var(--steel-dim); font-weight: 300; max-width: 400px;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 24px; }
.p-tag {
  font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--steel-faint);
  padding: 4px 10px; border: 1px solid rgba(255,255,255,0.06);
}
.project-link {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 28px;
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--steel-dim); text-decoration: none; transition: color 0.3s;
}
.project-link::after { content: '→'; transition: transform 0.3s var(--ease-expo); display: inline-block; }
.project-link:hover { color: var(--red); }
.project-link:hover::after { transform: translateX(4px); }

/* Services */
.services {
  padding: 80px 40px; border-top: 1px solid rgba(255,255,255,0.04);
}
.services-label {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--steel-dim); margin-bottom: 48px;
  display: flex; align-items: center; gap: 10px;
}
.services-label::before { content: ''; width: 24px; height: 1px; background: var(--red); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.service-item { padding: 24px 0; border-top: 1px solid rgba(255,255,255,0.06); }
.service-num { font-family: var(--font-mono); font-size: 10px; color: var(--red); opacity: 0.4; margin-bottom: 12px; }
.service-name { font-family: var(--font-display); font-size: 15px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 8px; }
.service-desc { font-family: var(--font-mono); font-size: 10px; line-height: 1.7; color: var(--steel-dim); font-weight: 300; }

/* Clients */
.clients { padding: 60px 40px; border-top: 1px solid rgba(255,255,255,0.04); }
.clients-label {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--steel-dim); margin-bottom: 32px;
  display: flex; align-items: center; gap: 10px;
}
.clients-label::before { content: ''; width: 24px; height: 1px; background: var(--red); }
.clients-list { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.client-name {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em;
  color: var(--steel-faint); transition: color 0.3s;
}
.client-name:hover { color: var(--steel); }

/* Responsive */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .filter-bar { padding: 24px 20px; gap: 16px; flex-wrap: wrap; }
  .projects { padding: 0 20px 60px; }
  .project { grid-template-columns: 1fr; min-height: auto; }
  .project:nth-child(even) { direction: ltr; }
  .project-visual { min-height: 280px; }
  .project-info { padding: 28px 0 40px; }
  .services { padding: 60px 20px; }
  .services-grid { grid-template-columns: 1fr; gap: 24px; }
  .clients { padding: 40px 20px; }
}