/* ==============================
   Design System — Light Theme
   ============================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-primary:      #f8fafc;
  --bg-secondary:    #f1f5f9;
  --bg-card:         #ffffff;
  --border-glass:    #e2e8f0;
  --text-primary:    #0f172a;
  --text-secondary:  #475569;
  --text-muted:      #94a3b8;
  --accent-blue:     #2563eb;
  --accent-purple:   #7c3aed;
  --accent-cyan:     #0891b2;
  --accent-emerald:  #059669;
  --accent-amber:    #d97706;
  --accent-rose:     #e11d48;
  --gradient-accent: linear-gradient(135deg, #2563eb, #7c3aed);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --section-padding: 5rem 0;
  --container-width: 1200px;
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --shadow-card:  0 2px 20px rgba(15, 23, 42, 0.07);
  --shadow-hover: 0 8px 40px rgba(37, 99, 235, 0.13);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: var(--font-sans); background: var(--bg-primary); color: var(--text-primary); line-height: 1.7; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
a { color: var(--accent-blue); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--accent-purple); }
img { max-width: 100%; display: block; }
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 1.5rem; }

/* ============================== Navbar ============================== */
.navbar {
  position: fixed; top:0; left:0; right:0; z-index:1000; padding:1rem 0;
  background: rgba(248, 250, 252, 0.93);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass); transition: all 0.3s;
}
.navbar.scrolled { padding: 0.6rem 0; }
.nav-content { display: flex; align-items: center; justify-content: space-between; }
.nav-logo {
  font-weight: 800; font-size: 1.15rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.nav-links { display: flex; gap: 1.6rem; list-style: none; }
.nav-links a { color: var(--text-secondary); font-size: 0.85rem; font-weight: 500; position: relative; }
.nav-links a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; background: var(--gradient-accent); transition: width 0.3s; border-radius:1px; }
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }
.nav-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; padding: 0.4rem; }

/* ============================== Hero ============================== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden; padding-top: 80px; }
.slideshow { position: absolute; inset:0; z-index:0; }
.slide { position: absolute; inset:0; background-size: cover; background-position: center; opacity:0; transition: opacity 1.2s ease; }
.slide.active { opacity:1; }
.hero-overlay {
  position: absolute; inset:0; z-index:1;
  background: linear-gradient(135deg, rgba(15,23,42,0.75) 0%, rgba(30,27,75,0.62) 50%, rgba(15,23,42,0.75) 100%);
}
.slide-dots { position: absolute; bottom:4rem; left:50%; transform:translateX(-50%); z-index:10; display:flex; gap:0.6rem; }
.dot { width:10px; height:10px; border-radius:50%; border:2px solid rgba(255,255,255,0.6); background:transparent; cursor:pointer; transition:all 0.3s; }
.dot.active { background:white; border-color:white; transform:scale(1.2); }
.hero-content { position:relative; z-index:2; text-align:center; max-width:900px; padding:0 1.5rem; color:#fff; }
.hero-badge {
  display:inline-flex; align-items:center; gap:0.5rem;
  background:rgba(255,255,255,0.14); border:1px solid rgba(255,255,255,0.32);
  color:#fff; padding:0.5rem 1.2rem; border-radius:100px; font-size:0.78rem; font-weight:600;
  text-transform:uppercase; letter-spacing:1.5px; margin-bottom:1.75rem; animation: fadeInDown 0.8s ease forwards;
}
.hero h1 { font-size: clamp(2rem,5vw,3.8rem); font-weight:900; line-height:1.1; letter-spacing:-1.5px; margin-bottom:1.4rem; color:#fff; animation: fadeInUp 0.8s ease 0.2s both; }
.gradient-text { background: linear-gradient(135deg,#93c5fd,#c4b5fd); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero-description { font-size:1.05rem; color:rgba(255,255,255,0.85); max-width:660px; margin:0 auto 2.2rem; line-height:1.8; animation: fadeInUp 0.8s ease 0.4s both; }
.hero-buttons { display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; animation: fadeInUp 0.8s ease 0.6s both; }
.btn { display:inline-flex; align-items:center; gap:0.5rem; padding:0.8rem 1.8rem; border-radius:100px; font-weight:600; font-size:0.88rem; transition:all 0.3s; border:none; cursor:pointer; font-family:var(--font-sans); }
.btn-primary { background:var(--gradient-accent); color:white; box-shadow:0 4px 20px rgba(37,99,235,0.35); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 6px 30px rgba(37,99,235,0.5); color:white; }
.btn-outline { background:rgba(255,255,255,0.12); border:1.5px solid rgba(255,255,255,0.5); color:#fff; }
.btn-outline:hover { background:rgba(255,255,255,0.22); transform:translateY(-2px); color:#fff; }
.scroll-indicator { position:absolute; bottom:2rem; left:50%; transform:translateX(-50%); z-index:2; animation:bounce 2s infinite; }
.scroll-indicator span { display:block; width:24px; height:40px; border-radius:12px; border:2px solid rgba(255,255,255,0.45); position:relative; }
.scroll-indicator span::after { content:''; position:absolute; top:6px; left:50%; transform:translateX(-50%); width:4px; height:8px; background:white; border-radius:2px; animation:scrollDot 2s infinite; }

/* ============================== Animations ============================== */
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0);} 50%{transform:translateX(-50%) translateY(8px);} }
@keyframes scrollDot { 0%{opacity:1;top:6px;} 100%{opacity:0;top:20px;} }
@keyframes fadeInDown { from{opacity:0;transform:translateY(-20px);} to{opacity:1;transform:translateY(0);} }
@keyframes fadeInUp   { from{opacity:0;transform:translateY(20px);}  to{opacity:1;transform:translateY(0);} }

/* ============================== Sections ============================== */
.section { padding: var(--section-padding); background: var(--bg-primary); }
.section-alt { background: var(--bg-secondary); }
.section-header { text-align:center; margin-bottom:3.5rem; }
.section-label { display:inline-block; font-size:0.72rem; font-weight:700; text-transform:uppercase; letter-spacing:2px; color:var(--accent-blue); margin-bottom:0.7rem; }
.section-title { font-size:clamp(1.7rem,3.5vw,2.7rem); font-weight:800; letter-spacing:-1px; margin-bottom:0.8rem; }
.section-subtitle { font-size:0.98rem; color:var(--text-secondary); max-width:600px; margin:0 auto; }
.subsection-title { font-size:1.15rem; font-weight:700; color:var(--text-primary); margin-bottom:1.5rem; padding-left:0.2rem; }
.reveal { opacity:0; transform:translateY(24px); transition:opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity:1; transform:none; }
.reveal-delay-1 { transition-delay:0.1s; }
.reveal-delay-2 { transition-delay:0.2s; }
.reveal-delay-3 { transition-delay:0.3s; }
.reveal-delay-4 { transition-delay:0.4s; }

/* ============================== About ============================== */
.about-card { background:var(--bg-card); border:1px solid var(--border-glass); border-radius:var(--radius-xl); padding:2.5rem; box-shadow:var(--shadow-card); position:relative; overflow:hidden; }
.about-card::before { content:''; position:absolute; top:0; left:0; right:0; height:4px; background:var(--gradient-accent); }
.about-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1.25rem; margin-top:2rem; }
.about-stat { text-align:center; padding:1.3rem; background:var(--bg-secondary); border-radius:var(--radius-md); border:1px solid var(--border-glass); }
.stat-value { font-size:2rem; font-weight:800; background:var(--gradient-accent); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.stat-label { font-size:0.82rem; color:var(--text-secondary); margin-top:0.2rem; }
.about-text { font-size:1rem; color:var(--text-secondary); line-height:1.9; }
.challenge-tags { display:flex; gap:0.6rem; flex-wrap:wrap; margin-top:1.4rem; }
.challenge-tag { padding:0.4rem 0.9rem; background:rgba(225,29,72,0.07); border:1px solid rgba(225,29,72,0.18); color:var(--accent-rose); border-radius:100px; font-size:0.78rem; font-weight:600; }

/* ============================== Phases ============================== */
.phases-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.75rem; }
.phase-card { background:var(--bg-card); border:1px solid var(--border-glass); border-radius:var(--radius-lg); padding:2.25rem; position:relative; overflow:hidden; transition:all 0.4s; box-shadow:var(--shadow-card); }
.phase-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-hover); }
.phase-card::before { content:''; position:absolute; top:0; left:0; right:0; height:4px; }
.phase-card.phase-1::before { background:linear-gradient(90deg,var(--accent-emerald),var(--accent-cyan)); }
.phase-card.phase-2::before { background:linear-gradient(90deg,var(--accent-purple),var(--accent-rose)); }
.phase-number { font-size:0.72rem; font-weight:700; text-transform:uppercase; letter-spacing:2px; margin-bottom:0.7rem; }
.phase-card.phase-1 .phase-number { color:var(--accent-emerald); }
.phase-card.phase-2 .phase-number { color:var(--accent-purple); }
.phase-card h3 { font-size:1.3rem; font-weight:700; margin-bottom:0.85rem; }
.phase-status { display:inline-flex; align-items:center; gap:0.4rem; padding:0.32rem 0.85rem; border-radius:100px; font-size:0.74rem; font-weight:600; margin-bottom:1.3rem; }
.status-completed { background:rgba(5,150,105,0.1); color:var(--accent-emerald); border:1px solid rgba(5,150,105,0.25); }
.status-progress  { background:rgba(124,58,237,0.1); color:var(--accent-purple); border:1px solid rgba(124,58,237,0.25); }
.phase-detail-list { list-style:none; display:flex; flex-direction:column; gap:0.5rem; }
.phase-detail-list li { display:flex; align-items:flex-start; gap:0.5rem; font-size:0.875rem; color:var(--text-secondary); }
.phase-detail-list li::before { content:'▸'; color:var(--accent-blue); font-weight:bold; flex-shrink:0; }

/* ============================== Pipeline ============================== */
.pipeline { display:grid; grid-template-columns:repeat(4,1fr); gap:1.25rem; position:relative; }
.pipeline::before { content:''; position:absolute; top:50%; left:10%; right:10%; height:2px; background:linear-gradient(90deg,var(--accent-blue),var(--accent-purple),var(--accent-cyan),var(--accent-emerald)); z-index:0; opacity:0.22; }
.pipeline-step { position:relative; z-index:1; text-align:center; padding:1.75rem 1.25rem; background:var(--bg-card); border:1px solid var(--border-glass); border-radius:var(--radius-lg); transition:all 0.4s; box-shadow:var(--shadow-card); }
.pipeline-step:hover { transform:translateY(-4px); box-shadow:var(--shadow-hover); }
.step-icon { width:54px; height:54px; display:flex; align-items:center; justify-content:center; border-radius:var(--radius-md); font-size:1.4rem; margin:0 auto 0.9rem; }
.step-icon.blue    { background:rgba(37,99,235,0.09); }
.step-icon.purple  { background:rgba(124,58,237,0.09); }
.step-icon.cyan    { background:rgba(8,145,178,0.09); }
.step-icon.emerald { background:rgba(5,150,105,0.09); }
.pipeline-step h4 { font-size:0.95rem; font-weight:700; margin-bottom:0.45rem; }
.pipeline-step p  { font-size:0.78rem; color:var(--text-muted); line-height:1.5; }

/* ============================== Results ============================== */
.results-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1.25rem; margin-bottom:1.75rem; }
.result-card { background:var(--bg-card); border:1px solid var(--border-glass); border-radius:var(--radius-lg); padding:1.75rem; text-align:center; transition:all 0.4s; box-shadow:var(--shadow-card); }
.result-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-hover); }
.result-value { font-size:2.3rem; font-weight:900; letter-spacing:-1px; margin-bottom:0.4rem; }
.result-card:nth-child(1) .result-value { color:var(--accent-blue); }
.result-card:nth-child(2) .result-value { color:var(--accent-emerald); }
.result-card:nth-child(3) .result-value { color:var(--accent-purple); }
.result-label  { font-size:0.88rem; font-weight:600; margin-bottom:0.2rem; }
.result-detail { font-size:0.78rem; color:var(--text-muted); }
.results-summary { background:var(--bg-card); border:1px solid var(--border-glass); border-radius:var(--radius-lg); padding:1.75rem 2rem; box-shadow:var(--shadow-card); }
.results-summary h4 { font-size:1.05rem; font-weight:700; margin-bottom:0.9rem; display:flex; align-items:center; gap:0.5rem; }
.results-summary ul { list-style:none; display:flex; flex-direction:column; gap:0.65rem; }
.results-summary li { display:flex; align-items:flex-start; gap:0.6rem; font-size:0.875rem; color:var(--text-secondary); line-height:1.6; }
.results-summary li::before { content:'✦'; color:var(--accent-amber); flex-shrink:0; }

/* ============================== Achievements ============================== */
.achievement-block {
  background: var(--bg-card); border:1px solid var(--border-glass); border-radius:var(--radius-xl);
  padding:2rem; box-shadow:var(--shadow-card); margin-bottom:2rem;
}
.achievement-header {
  display: flex; align-items: flex-start; gap:1.2rem; margin-bottom:1.5rem;
}
.achievement-badge {
  width:52px; height:52px; border-radius:var(--radius-md); background:var(--bg-secondary);
  display:flex; align-items:center; justify-content:center; font-size:1.6rem; flex-shrink:0;
  border:1px solid var(--border-glass);
}
.achievement-header h3 { font-size:1.15rem; font-weight:700; margin-bottom:0.3rem; }
.achievement-sub { font-size:0.875rem; color:var(--text-secondary); line-height:1.6; }

/* Photo gallery grid */
.photo-gallery {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}
.photo-gallery.gallery-3 {
  grid-template-columns: repeat(3, 1fr);
}
.photo-gallery.gallery-1 {
  grid-template-columns: 1fr;
  max-width: 820px;
  margin: 0 auto;
}
.gallery-img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  border-radius: var(--radius-md); border:1px solid var(--border-glass);
  cursor: pointer; transition: all 0.3s; box-shadow: var(--shadow-card);
}
.gallery-img:hover { transform:scale(1.03); box-shadow:var(--shadow-hover); }

/* Poster */
.poster-wrapper { text-align:center; }
.poster-img { width:100%; max-width:820px; margin:0 auto; border-radius:var(--radius-lg); border:1px solid var(--border-glass); cursor:pointer; box-shadow:var(--shadow-card); transition:all 0.3s; }
.poster-img:hover { box-shadow:var(--shadow-hover); }

/* ============================== Tech ============================== */
.tech-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:1.25rem; }
.tech-category { background:var(--bg-card); border:1px solid var(--border-glass); border-radius:var(--radius-lg); padding:1.75rem; transition:all 0.4s; box-shadow:var(--shadow-card); }
.tech-category:hover { transform:translateY(-4px); box-shadow:var(--shadow-hover); }
.tech-category h4 { font-size:0.72rem; font-weight:700; text-transform:uppercase; letter-spacing:1.5px; color:var(--accent-blue); margin-bottom:0.9rem; }
.tech-list { list-style:none; display:flex; flex-direction:column; gap:0.5rem; }
.tech-list li { font-size:0.875rem; color:var(--text-secondary); display:flex; align-items:center; gap:0.5rem; }
.tech-list li::before { content:''; width:6px; height:6px; background:var(--accent-cyan); border-radius:50%; flex-shrink:0; }

/* ============================== Team ============================== */
.team-photo-wrap { text-align:center; margin-bottom:2.5rem; }
.team-group-photo { width:100%; max-width:760px; margin:0 auto; border-radius:var(--radius-xl); box-shadow:var(--shadow-card); border:1px solid var(--border-glass); }
.photo-caption { margin-top:0.75rem; font-size:0.875rem; color:var(--text-muted); font-style:italic; }

.team-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; margin-bottom:3rem; }
.team-card { background:var(--bg-card); border:1px solid var(--border-glass); border-radius:var(--radius-lg); padding:2rem 1.5rem; text-align:center; transition:all 0.4s; box-shadow:var(--shadow-card); }
.team-card:hover { transform:translateY(-5px); box-shadow:var(--shadow-hover); }

/* Round photo circles for team & supervisors */
.team-photo-circle {
  width: 110px; height: 110px; border-radius: 50%;
  overflow: hidden; margin: 0 auto 1.1rem;
  border: 3px solid var(--border-glass);
  box-shadow: 0 4px 16px rgba(37,99,235,0.12);
  transition: border-color 0.3s;
}
.team-card:hover .team-photo-circle,
.supervisor-card:hover .team-photo-circle { border-color: var(--accent-blue); }
.team-photo-circle img { width:100%; height:100%; object-fit:cover; object-position:top; }

.team-card h4 { font-size:0.98rem; font-weight:700; margin-bottom:0.3rem; }
.team-id  { font-size:0.78rem; color:var(--accent-blue); font-weight:600; margin-bottom:0.55rem; }
.team-email { font-size:0.75rem; color:var(--text-muted); }
.team-email:hover { color:var(--accent-blue); }

.supervisors-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; }
.supervisor-card { background:var(--bg-card); border:1px solid var(--border-glass); border-radius:var(--radius-lg); padding:2rem 1.5rem; text-align:center; transition:all 0.4s; box-shadow:var(--shadow-card); }
.supervisor-card:hover { transform:translateY(-5px); box-shadow:var(--shadow-hover); }
.supervisor-card h4 { font-size:0.98rem; font-weight:700; margin-bottom:0.3rem; }
.sup-affil { font-size:0.78rem; color:var(--accent-blue); font-weight:500; margin-bottom:0.4rem; }
.sup-email { font-size:0.75rem; color:var(--text-muted); word-break:break-all; }
.sup-email:hover { color:var(--accent-blue); }

/* ============================== Publications ============================== */
.publications-list { display:flex; flex-direction:column; gap:1.1rem; }
.pub-item { display:flex; gap:1.3rem; align-items:flex-start; background:var(--bg-card); border:1px solid var(--border-glass); border-radius:var(--radius-md); padding:1.5rem; transition:all 0.3s; box-shadow:var(--shadow-card); }
.pub-item:hover { transform:translateX(4px); box-shadow:var(--shadow-hover); }
.pub-icon { font-size:1.8rem; flex-shrink:0; }
.pub-item h4 { font-size:0.95rem; font-weight:700; margin-bottom:0.25rem; }
.pub-item p  { font-size:0.85rem; color:var(--text-secondary); line-height:1.6; }
.pub-link { display:inline-block; margin-top:0.55rem; font-size:0.8rem; font-weight:600; color:var(--accent-blue); background:rgba(37,99,235,0.07); padding:0.28rem 0.75rem; border-radius:20px; transition:all 0.2s; }
.pub-link:hover { background:rgba(37,99,235,0.15); }

/* ============================== Lightbox ============================== */
.lightbox {
  display: none; position:fixed; inset:0; z-index:9999;
  background: rgba(15,23,42,0.92); align-items:center; justify-content:center; padding:1.5rem;
}
.lightbox.active { display:flex; }
.lightbox img { max-width:90vw; max-height:88vh; object-fit:contain; border-radius:var(--radius-lg); box-shadow:0 20px 80px rgba(0,0,0,0.5); }
.lightbox-close {
  position:absolute; top:1.2rem; right:1.5rem; background:rgba(255,255,255,0.12);
  border:1px solid rgba(255,255,255,0.25); color:white; font-size:1.3rem;
  width:42px; height:42px; border-radius:50%; cursor:pointer; display:flex; align-items:center; justify-content:center; transition:all 0.2s;
}
.lightbox-close:hover { background:rgba(255,255,255,0.25); }

/* ============================== Footer ============================== */
.footer { background:var(--text-primary); color:rgba(255,255,255,0.65); padding:2.5rem 0; }
.footer-content { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:1.25rem; }
.footer-brand { font-weight:700; font-size:1.05rem; color:white; line-height:1.6; }
.footer-brand span { font-size:0.78rem; font-weight:400; color:rgba(255,255,255,0.45); }
.footer-links { list-style:none; display:flex; gap:1.75rem; flex-wrap:wrap; }
.footer-links a { font-size:0.85rem; color:rgba(255,255,255,0.55); transition:color 0.3s; }
.footer-links a:hover { color:white; }

/* ============================== Responsive ============================== */
@media (max-width: 1024px) {
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .pipeline  { grid-template-columns: repeat(2, 1fr); }
  .pipeline::before { display:none; }
  .photo-gallery { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-padding: 3.5rem 0; }

  /* Nav */
  .nav-links {
    display: none; flex-direction: column; position: fixed;
    top: 70px; left:0; right:0; background: var(--bg-primary);
    padding: 1.5rem 1.5rem; border-bottom: 1px solid var(--border-glass);
    gap: 1rem; box-shadow: 0 8px 24px rgba(15,23,42,0.1);
  }
  .nav-links.active { display: flex; }
  .nav-toggle { display: block; }

  /* Hero */
  .hero-badge { font-size: 0.68rem; }
  .hero-description { font-size: 0.95rem; }

  /* Grids — all go to 1 column */
  .about-grid       { grid-template-columns: repeat(3,1fr); gap:0.8rem; }
  .phases-grid      { grid-template-columns: 1fr; }
  .pipeline         { grid-template-columns: 1fr 1fr; }
  .results-grid     { grid-template-columns: 1fr 1fr; }
  .tech-grid        { grid-template-columns: 1fr 1fr; }
  .team-grid        { grid-template-columns: 1fr 1fr; }
  .supervisors-grid { grid-template-columns: 1fr 1fr; }

  /* Gallery */
  .photo-gallery       { grid-template-columns: repeat(2, 1fr); }
  .photo-gallery.gallery-3 { grid-template-columns: 1fr 1fr; }

  /* Achievement block */
  .achievement-header { flex-direction: column; gap:0.9rem; }

  /* Footer */
  .footer-content { flex-direction: column; text-align: center; }
  .footer-links   { justify-content: center; gap: 1rem; }
}

@media (max-width: 480px) {
  .about-grid       { grid-template-columns: 1fr; }
  .results-grid     { grid-template-columns: 1fr; }
  .tech-grid        { grid-template-columns: 1fr; }
  .team-grid        { grid-template-columns: 1fr; }
  .supervisors-grid { grid-template-columns: 1fr; }
  .pipeline         { grid-template-columns: 1fr; }
  .photo-gallery    { grid-template-columns: 1fr 1fr; }
  .photo-gallery.gallery-3 { grid-template-columns: 1fr; }

  .hero-buttons { flex-direction: column; align-items: center; }
  .pub-item { flex-direction: column; gap:0.6rem; }
  .pub-icon { font-size: 1.4rem; }
}