/* Portfolio home — Nyabiosi Sydiney Nyabiosi */

:root {
  --pf-bg: #0f1419;
  --pf-surface: #1a222d;
  --pf-surface-2: #232d3b;
  --pf-text: #e8eef4;
  --pf-muted: #8b9cb3;
  --pf-accent: #3d8bfd;
  --pf-accent-2: #6366f1;
  --pf-success: #34d399;
  --pf-radius: 16px;
  --pf-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.portfolio-page {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--pf-bg);
  color: var(--pf-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Nav */
.pf-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 20, 25, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.pf-nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.pf-brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--pf-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.pf-brand:hover {
  color: var(--pf-accent);
}

.pf-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pf-nav-links a {
  color: var(--pf-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.pf-nav-links a:hover {
  color: var(--pf-text);
}

/* Hero */
.pf-hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
  text-align: center;
}

@media (min-width: 768px) {
  .pf-hero {
    padding: 4.5rem 1.5rem 5rem;
  }
}

.pf-hero-icon {
  width: 88px;
  height: 88px;
  margin: 0 auto 1.5rem;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--pf-accent), var(--pf-accent-2));
  display: grid;
  place-items: center;
  font-size: 2.5rem;
  color: #fff;
  box-shadow: var(--pf-shadow);
}

.pf-hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.85rem, 5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.pf-hero .pf-tagline {
  margin: 0 auto 1.5rem;
  max-width: 36rem;
  color: var(--pf-muted);
  font-size: 1.05rem;
}

.pf-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  background: rgba(61, 139, 253, 0.15);
  color: var(--pf-accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid rgba(61, 139, 253, 0.35);
  transition: background 0.2s, transform 0.2s;
}

.pf-hero-cta:hover {
  background: rgba(61, 139, 253, 0.25);
  color: #fff;
  transform: translateY(-1px);
}

/* Section shell */
.pf-sections {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

.pf-section-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--pf-muted);
  margin-bottom: 1.25rem;
  text-align: center;
}

/* Cards grid */
.pf-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .pf-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .pf-grid.pf-grid-wide {
    grid-template-columns: 1fr;
  }
}

.pf-card {
  background: var(--pf-surface);
  border-radius: var(--pf-radius);
  padding: 1.5rem 1.35rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.pf-card:hover {
  border-color: rgba(61, 139, 253, 0.35);
  transform: translateY(-2px);
  box-shadow: var(--pf-shadow);
}

.pf-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.pf-card-icon.cv {
  background: rgba(61, 139, 253, 0.2);
  color: var(--pf-accent);
}

.pf-card-icon.capstone {
  background: rgba(99, 102, 241, 0.2);
  color: #a5b4fc;
}

.pf-card-icon.constitution {
  background: rgba(52, 211, 153, 0.15);
  color: var(--pf-success);
}

.pf-card-icon.campaign {
  background: rgba(52, 211, 153, 0.25);
  color: #6ee7b7;
}

.pf-card-icon.hub {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
}

.pf-card h2 {
  margin: 0 0 0.65rem;
  font-size: 1.2rem;
  font-weight: 700;
}

.pf-card p {
  margin: 0 0 1rem;
  color: var(--pf-muted);
  font-size: 0.95rem;
  flex-grow: 1;
}

.pf-card .pf-list {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
  color: var(--pf-muted);
  font-size: 0.9rem;
}

.pf-card .pf-list li {
  margin-bottom: 0.35rem;
}

.pf-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  align-self: flex-start;
  padding: 0.55rem 1rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
}

.pf-btn:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.pf-btn-primary {
  background: linear-gradient(135deg, var(--pf-accent), var(--pf-accent-2));
  color: #fff;
}

.pf-btn-outline {
  background: transparent;
  color: var(--pf-accent);
  border: 1px solid rgba(61, 139, 253, 0.5);
}

.pf-btn-success {
  background: linear-gradient(135deg, #059669, #34d399);
  color: #fff;
}

/* Constitution featured strip */
.pf-feature {
  margin-top: 1.25rem;
  border-radius: var(--pf-radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(110deg, #152a38 0%, #1a3344 45%, #0d2130 100%);
}

.pf-feature-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

@media (min-width: 768px) {
  .pf-feature-inner {
    grid-template-columns: minmax(200px, 280px) 1fr;
  }
}

.pf-feature-visual {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: rgba(61, 139, 253, 0.08);
}

@media (min-width: 768px) {
  .pf-feature-visual {
    display: flex;
  }
}

.pf-feature-visual .bi {
  font-size: 5rem;
  color: var(--pf-accent);
  opacity: 0.9;
}

.pf-feature-body {
  padding: 2rem 1.5rem;
}

@media (min-width: 768px) {
  .pf-feature-body {
    padding: 2.5rem 2rem;
  }
}

.pf-gradient-text {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #38bdf8, #6366f1 70%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.pf-feature-body .lead {
  margin: 0 0 1.25rem;
  color: var(--pf-muted);
  font-size: 1rem;
  max-width: 42rem;
}

.pf-btn-constitution {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(90deg, #0ea5e9, #3b82f6);
  border: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.pf-btn-constitution:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(14, 165, 233, 0.35);
}

/* Footer */
.pf-footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--pf-muted);
  font-size: 0.9rem;
}

.pf-footer a {
  color: var(--pf-accent);
  text-decoration: none;
  font-weight: 500;
}

.pf-footer a:hover {
  text-decoration: underline;
}

.pf-mt-section {
  margin-top: 1.25rem;
}

.pf-vision-label {
  margin-bottom: 0.5rem;
  color: var(--pf-text);
  font-weight: 600;
  font-size: 0.9rem;
}

.pf-footer-sep {
  margin: 0 0.5rem;
  color: var(--pf-muted);
}