/* =============================================
   ABOUT PAGE — Fully Responsive
   ============================================= */

.about-hero {
  background:
    linear-gradient(160deg,rgba(6,18,12,0.74) 0%,rgba(22,45,27,0.80) 100%),
    url('https://images.unsplash.com/photo-1500382017468-9049fed747ef?w=1400&q=80') center/cover no-repeat;
}
.page-hero { padding: clamp(100px,14vw,140px) 0 clamp(48px,6vw,80px); }
.page-hero h1 { color: var(--white); margin-bottom: clamp(20px,3vw,40px); }
.page-hero p  { color: rgba(255,255,255,0.5); font-size: clamp(0.9rem,1.5vw,1.05rem); font-weight: 300; max-width: 640px; margin: 0 auto; line-height: 1.8; }
.about-hero-title { font-size: clamp(1.6rem,4vw,4.2rem); max-width: 900px; margin: 0 auto; line-height: 1.08; }

/* ---- PURPOSE ---- */
.purpose-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(16px,3vw,28px); }
.purpose-card {
  border-radius: var(--radius-md); padding: clamp(22px,4vw,36px);
  border: 1px solid var(--border);
}
.purpose-card.focus { background: #0c1a11; }
.purpose-card.help  { background: #0a1710; }
.purpose-card h4    { margin-bottom: 14px; color: var(--white); }
.purpose-card > p   { color: var(--text-muted); font-size: 0.93rem; font-weight: 300; margin-bottom: 20px; line-height: 1.75; }
.purpose-card ul    { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.purpose-card ul li { display: flex; gap: 10px; font-size: 0.9rem; color: rgba(255,255,255,0.6); align-items: flex-start; font-weight: 300; }
.check { color: #2f6b4a; font-weight: 700; flex-shrink: 0; margin-top: 1px; }

.help-items { display: flex; flex-direction: column; gap: 12px; }
.help-item {
  display: flex; align-items: center; gap: 12px;
  background: #0e1b13; border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 16px;
  font-size: 0.9rem; font-weight: 500; color: rgba(255,255,255,0.75);
  transition: var(--transition);
}
.help-item:hover { border-color: rgba(47,107,74,0.35); box-shadow: var(--shadow-sm); }
.help-item span { font-size: 1.1rem; flex-shrink: 0; }

/* ---- CONTEXTS ---- */
.contexts-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: clamp(10px,2vw,16px);
}
.context-item {
  background: #0c1a11; border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: clamp(16px,2.5vw,24px) 12px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-align: center; transition: var(--transition);
}
.context-item:hover { border-color: rgba(47,107,74,0.35); background: rgba(47,107,74,0.08); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.context-icon { font-size: clamp(1.4rem,3vw,1.8rem); }
.context-item span {
  font-size: clamp(0.7rem,1.2vw,0.82rem); font-weight: 600;
  font-family: var(--font-condensed); letter-spacing: 0.06em;
  text-transform: uppercase; color: rgba(255,255,255,0.7); line-height: 1.3;
}

/* ---- ECOSYSTEM ---- */
.ecosystem-list { display: flex; flex-direction: column; gap: 20px; text-align: left; }
.eco-item {
  display: flex; gap: clamp(16px,3vw,28px); align-items: flex-start;
  background: #0c1a11; border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: clamp(18px,3vw,28px);
  transition: var(--transition);
}
.eco-item:hover { border-color: rgba(47,107,74,0.28); box-shadow: var(--shadow-md); }

.eco-logo {
  flex-shrink: 0;
  width: clamp(64px,10vw,90px);
  height: clamp(64px,10vw,90px);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.eco-logo img { width: 100%; height: 100%; object-fit: contain; }
.eco-logo.biopower  { background: #152a1d; border: 1px solid rgba(225,229,216,0.14); }
.eco-logo.nanofarm  { background: #1b1b0d; border: 1px solid #2a1800; }
.eco-logo.naturgas  { background: #0b1f14; border: 1px solid #243622; }
.eco-logo.bioscience{ background: #0c1712; border: 1px solid #203423; }
.eco-logo.academy   { background: #0e1b13; border: 1px solid rgba(225,229,216,0.14); }

.eco-parent { display: block; font-size: 0.7rem; font-family: var(--font-condensed); color: var(--text-muted); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 6px; font-weight: 600; }
.eco-info h4 { color: var(--white); margin-bottom: 10px; }
.eco-info p  { font-size: 0.88rem; color: var(--text-muted); line-height: 1.75; margin-bottom: 14px; font-weight: 300; }

.eco-link {
  display: inline-block;
  background: rgba(47,107,74,0.12); border: 1px solid rgba(47,107,74,0.28);
  color: #2f6b4a; font-family: var(--font-condensed);
  font-size: 0.72rem; font-weight: 600;
  padding: 5px 14px; border-radius: 100px;
  letter-spacing: 0.06em; text-transform: uppercase; transition: var(--transition);
}
.eco-link:hover { background: #2f6b4a; color: var(--white); border-color: #2f6b4a; }

/* ---- ABOUT CTA ---- */
.about-cta { background: #07130d; border-top: 1px solid var(--border); }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .contexts-grid { grid-template-columns: repeat(4,1fr); }
}

@media (max-width: 900px) {
  .purpose-grid { grid-template-columns: 1fr; }
  .contexts-grid { grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 600px) {
  .contexts-grid { grid-template-columns: repeat(2,1fr); }
  .eco-item { flex-direction: column; }
  .eco-logo { width: 64px; height: 64px; }
  .about-cta .btn { width: auto; }
  .context-item:hover { transform: none; }
}

@media (max-width: 380px) {
  .contexts-grid { grid-template-columns: repeat(2,1fr); }
}