/* ==========================
   SITE: Light / Minimal UI (Mobile Optimized)
   ========================== */

/* ---------- Root / Reset ---------- */
:root{
  --bg: #fafafa;
  --card-bg: rgba(255,255,255,0.85);
  --muted: #6b6b6b;
  --text: #111;
  --accent: #0070f3;
  --border: #e8e8e8;
  --glass-border: rgba(0,0,0,0.06);
  --max-width: 1100px;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; background: var(--bg); color: var(--text); -webkit-font-smoothing:antialiased; }

/* ---------- Page layout ---------- */
.page-container { min-height: 100%; display: flex; flex-direction: column; }
.content { flex: 1; width: 100%; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  gap: 1.5rem;
}

.logo {
  font-weight: 600;
  font-size: clamp(1.4rem, 5vw, 1.8rem);
  letter-spacing: 0.2px;
  color: var(--text);
  text-decoration: none;
}

.logo span { color: var(--accent); }

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: clamp(1rem, 4vw, 1.15rem);
  position: relative;
  padding: 0.25rem 0;
  transition: color .18s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width .22s ease;
}

.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { width: 100%; }

/* Responsive Navbar */
@media (max-width: 700px) {
  .navbar { 
    flex-direction: column;
    align-items: center;
    gap: .75rem;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
}

/* ---------- Hero / Home ---------- */
.hero {
  max-width: 820px;
  margin: 5.5rem auto 3rem auto;
  padding: 0 1.25rem;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2.5rem, 8vw, 3rem);
  margin: 0 0 .6rem 0;
  line-height: 1.1;
}
.tagline { color: var(--muted); font-size: clamp(1.1rem, 3.5vw, 1.25rem); margin-bottom: 2rem; }

.hero-links { display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; }
.hero-button {
  padding: .8rem 1.6rem;
  border-radius: 10px;
  background: var(--accent);
  color: white;
  text-decoration: none;
  font-weight: 600;
  transition: transform .15s ease, opacity .15s ease;
  font-size: clamp(0.95rem,3vw,1.1rem);
}
.hero-button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.hero-button:hover { transform: translateY(-3px); }

/* ---------- Portfolio landing (cards) ---------- */
.portfolio-hero { text-align:center; padding: 2.5rem 1rem 1rem; margin-top: 1rem; }
.portfolio-hero h1 { margin: 0; font-size: clamp(2rem,6vw,2.5rem); }
.portfolio-hero p { color: var(--muted); margin-top:.5rem; font-size: clamp(1rem,3.5vw,1.2rem); }

.portfolio-grid {
  max-width: var(--max-width);
  margin: 2rem auto 3rem;
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  padding: 0 1rem;
}

.portfolio-card {
  display:block;
  background: var(--card-bg);
  border-radius: 14px;
  padding: 2rem;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--glass-border);
  box-shadow: 0 6px 18px rgba(30,30,30,0.04);
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
  overflow: hidden;
}
.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgba(30,30,30,0.06);
  border-color: rgba(0,0,0,0.07);
}

.card-content h2 { margin: 0 0 .35rem 0; font-size: clamp(1.3rem,3.5vw,1.6rem); }
.card-content p { margin: 0; color: var(--muted); font-size: clamp(0.95rem,2.5vw,1.1rem); }

/* ---------- Portfolio lower wrapper ---------- */
.portfolio-lower-wrapper {
  background: #0070f3;
  padding: 3rem 0 5rem;
}

/* ---------- Photo categories / gallery ---------- */
.photo-category-grid {
  max-width: var(--max-width);
  margin: 2rem auto 3rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  padding: 0 1rem;
}
.photo-category-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 1.25rem;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--glass-border);
  display: block;
  transition: transform .25s ease, box-shadow .25s ease;
}
.photo-category-card:hover { transform: translateY(-6px); box-shadow: 0 12px 30px rgba(0,0,0,0.045); }
.photo-thumb { height: 180px; border-radius: 10px; background-size: cover; background-position:center; margin-bottom:1rem; }

.photo-grid {
  max-width: var(--max-width);
  margin: 2rem auto 3rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  padding: 0 1rem;
}
.photo-item {
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--glass-border);
  transition: transform .22s ease, box-shadow .22s ease;
  display:block;
  cursor: zoom-in;
}
.photo-item img { display:block; width:100%; height:100%; object-fit:cover; }
.photo-item:hover { transform: translateY(-4px); box-shadow: 0 10px 26px rgba(30,30,30,0.06); }

/* ---------- Projects Page ---------- */
.projects-list {
  max-width: 1100px;
  margin: 3rem auto 4rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 0 1rem;
}
.project-card {
  display: flex;
  gap: 2rem;
  padding: 2rem;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  backdrop-filter: blur(15px);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(255,255,255,0.08);
}
.project-card img {
  width: 400px;
  height: 240px;
  object-fit: cover;
  border-radius: 12px;
  flex-shrink: 0;
}
.project-content { flex:1; display:flex; flex-direction:column; gap:0.5rem; }
.project-content h2 { font-size: clamp(1.6rem,3.5vw,1.9rem); color:#fff; margin:0; }
.project-content h3 { font-size: clamp(1.2rem,3.5vw,1.5rem); color:#fff; margin:0; }
.project-content p { font-size: clamp(1rem,2.8vw,1.15rem); color:#d7d7d7; line-height:1.55; }

/* ---------- Journal ---------- */
.journal-list {
  max-width: 800px;
  margin: 3rem auto 5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 0 1rem;
}
.journal-card {
  padding: 2rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
  color: white;
  line-height: 1.65;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.journal-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}
.journal-text { font-size: clamp(1.25rem,3vw,1.35rem); margin-bottom:.75rem; letter-spacing:.2px; }
.journal-author { font-size: clamp(1rem,2.5vw,1.05rem); opacity:0.75; }

/* ---------- Timeline ---------- */
.timeline-container {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 4rem auto;
  padding: 0 1rem 5rem;
}
.timeline-container::before {
  content:"";
  position:absolute;
  left:50%;
  top:0;
  bottom:0;
  width:2px;
  background: rgba(255,255,255,0.15);
  transform: translateX(-50%);
  z-index:1;
}
.timeline-year { font-size: clamp(1.8rem,5vw,2rem); font-weight:700; margin-top:3rem; margin-bottom:2rem; text-align:center; z-index:2; position:relative; color:white; }
.timeline-item { position:relative; margin-bottom:3rem; display:flex; justify-content:center; z-index:2; }
.timeline-dot { position:absolute; left:50%; transform:translateX(-50%); width:16px; height:16px; background:#fff; border-radius:50%; border:3px solid rgba(255,255,255,0.25); box-shadow:0 0 12px rgba(255,255,255,0.5); z-index:5; }
.timeline-content {
  margin-top:1rem;
  width:min(750px,90%);
  background: rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(18px);
  border-radius:20px;
  padding:2.5rem;
  text-align:center;
  color:white;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.timeline-content:hover { transform: translateY(-6px); box-shadow:0 12px 35px rgba(0,150,255,0.15); }
.timeline-content h3 { margin:0 0 .8rem; font-size: clamp(1.6rem,3.5vw,1.8rem); }
.timeline-content p { color:#ccc; font-size: clamp(1rem,3vw,1.05rem); line-height:1.6; }
.timeline-content img { width:100%; max-height:360px; object-fit:cover; border-radius:14px; margin-top:1rem; }

/* ---------- Contact ---------- */
.contact-container { display:flex; flex-wrap:wrap; justify-content:center; gap:3rem; max-width:900px; margin:2rem auto 5rem; padding:0 1rem; }
.contact-card { display:flex; align-items:center; gap:1rem; padding:1rem 2rem; border-radius:16px; background: var(--card-bg); border:1px solid rgba(255,255,255,0.1); backdrop-filter:blur(15px); text-decoration:none; color:black; font-weight:500; transition: transform .25s ease, box-shadow .25s ease; }
.contact-card img { width:28px; height:28px; }
.contact-card:hover { transform:translateY(-4px); box-shadow:0 8px 25px rgba(0,150,255,0.15); }
.contact-form-card { flex:1 1 350px; background: rgba(255,255,255,0.06); border:1px solid rgba(255,255,255,0.1); backdrop-filter:blur(18px); border-radius:20px; padding:2.5rem; max-width:400px; min-width:320px; }
.contact-form-card h2 { margin-bottom:1.5rem; }
.contact-form-card label { display:block; margin-bottom:.25rem; font-weight:500; color:#fff; }
.contact-form-card input, .contact-form-card textarea { width:100%; margin-bottom:1rem; padding:.75rem 1rem; border-radius:12px; border:1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.05); color:#fff; font-size:1rem; }
.contact-form-card button { padding:.75rem 1.5rem; border-radius:10px; border:none; background:#0070f3; color:#fff; font-weight:500; cursor:pointer; transition:transform .2s ease, opacity .2s ease; }
.contact-form-card button:hover { transform:translateY(-2px); opacity:.9; }
/* Contact links wrapper */
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
  max-width: 320px;
}

/* Make icons a consistent size */
.contact-card img {
  width: 32px;
  height: 32px;
}

@media (max-width: 700px) {
  .contact-container {
    flex-direction: column;
    align-items: center;
  }

  .contact-links {
    width: 100%;
    max-width: 400px;
    align-items: stretch;
  }
}
.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between; /* pushes icon to the right */
  padding: 20px;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 3px 10px rgba(0,0,0,0.05);
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.contact-card i {
  font-size: 28px;
  color: #555;   /* adjust if you want */
  margin-left: 20px;
}
.contact-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, 1fr); /* 2x2 layout */
  max-width: 700px;
  margin: 0 auto;
}

@media (max-width: 600px) {
  .contact-grid {
    grid-template-columns: 1fr; /* Stack on small screens */
  }
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.05);
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.1);
}

.contact-card i {
  font-size: 28px;
  margin-left: 20px;
  color: #555;
}

/* ---------- Footer ---------- */
.site-footer { padding:1.25rem 1.25rem; border-top:1px solid var(--border); display:flex; align-items:center; justify-content: space-between; max-width: var(--max-width); margin:0 auto; width:100%; color:var(--muted); font-size:.95rem; }
.footer-left { display:flex; gap:.6rem; align-items:center; }
.footer-right { display:flex; gap:.4rem; align-items:center; }
a { color: var(--accent); }
.site-footer a { color: var(--muted); text-decoration:none; font-weight:600; }
.site-footer a:hover { color: var(--accent); }

/* ---------- Responsive adjustments for mobile ---------- */
@media (max-width: 700px) {
  .portfolio-grid { gap: 1rem; }
  .photo-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap:.6rem; }
  .projects-list { gap:1.5rem; margin:2rem auto 3rem; }
  .project-card { flex-direction: column; text-align:center; }
  .project-card img { width:100%; height:200px; }
  .timeline-content { width:100%; padding:2rem; }
  .timeline-dot { width:14px; height:14px; }
  .journal-text { font-size:1.25rem; }
  .journal-author { font-size:1rem; }
  .hero h1 { font-size: clamp(2rem,6vw,2.5rem); }
  .tagline { font-size: clamp(1rem,3vw,1.15rem); }
  .navbar a { font-size: clamp(1rem,3.5vw,1.15rem); }
  .contact-container { flex-direction:column; align-items:center; }
}

.about-cards {
  max-width: 1100px;
  margin: 3rem auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  padding: 0 1rem;
}

.info-card {
  background: white; 
  padding: 2.5rem;
  border-radius: 24px;
  color: var(--text);
  box-shadow: 0 4px 20px rgba(0,0,0,0.03);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.info-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.06);
  border-color: var(--accent);
}

.info-card h2 {
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.info-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.info-card li {
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--muted);
}

.info-card li::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: bold;
}

@media (max-width: 600px) {
  .info-card {
    padding: 1.5rem;
  }

  .info-card h2 {
    font-size: 1.5rem;
  }

  .info-card li {
    font-size: 0.95rem;
  }
}

/* ---------- Homepage Feature Card ---------- */
.home-feature-card {
  display: flex;
  gap: 2rem;
  padding: 2rem;
  align-items: flex-start;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  backdrop-filter: blur(18px);
  color: white;
  max-width: 1100px;
  box-shadow: 0 10px 32px rgba(0,0,0,0.15);
  transition: transform .25s ease, box-shadow .25s ease;
}

.home-feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 38px rgba(0,0,0,0.22);
}

.home-feature-card img {
  width: 420px;              /* Larger image */
  height: 280px;             /* Bigger height */
  object-fit: cover;
  border-radius: 16px;
  flex-shrink: 0;
}

.home-feature-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.home-feature-content h2 {
  font-size: clamp(1.8rem, 4vw, 2.2rem);
  margin: 0;
}

.home-feature-content p {
  font-size: clamp(1.05rem, 2.4vw, 1.2rem);
  line-height: 1.6;
  color: #e8e8e8;
}

/* ----- Responsive (Mobile) ----- */
@media (max-width: 750px) {
  .home-feature-card {
    flex-direction: column;
    text-align: center;
    padding: 2rem;
  }

  .home-feature-card img {
    width: 100%;
    height: 260px;
  }
}

@media (max-width: 750px) {
  .portfolio-lower-wrapper {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .home-feature-card {
    margin-left: auto;
    margin-right: auto;
  }
}

.journal-tag {
  display: inline-block;
  margin-top: 6px;
  padding: 2px 8px;
  background: #e4e4e4;
  color: #333;
  font-size: 0.75rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.journal-tag.tip { background: #e0f7e9; color: #0a7d3d; }
.journal-tag.fact { background: #e6f1ff; color: #1a4fb2; }
.journal-tag.interesting { background: #fff5d6; color: #b26a00; }

.journal-filters {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;   /* center horizontally */
  gap: 0.5rem;
  flex-wrap: wrap;
}


.filter-btn {
  padding: 6px 14px;
  border: none;
  border-radius: 4px;
  background: #e4e4e4;
  cursor: pointer;
  font-size: 0.9rem;
}

.filter-btn.active {
  background: #333;
  color: white;
}

.filter-btn {
  padding: 4px 10px;
  background: #e4e4e4;
  color: #333;
  font-size: 0.75rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.filter-btn.tip { background: #e0f7e9; color: #0a7d3d; }
.filter-btn.fact { background: #e6f1ff; color: #1a4fb2; }
.filter-btn.interesting { background: #fff5d6; color: #b26a00; }

.filter-btn.active.tip,
.filter-btn.active.fact,
.filter-btn.active.interesting {
  filter: brightness(0.85);
  color: #000;
}


.filter-btn:hover {
  background: #d4d4d4;
}

.filter-btn.active {
  background: #333;
  color: #fff;
}