/* ============================================
   Christian Baker — Site Stylesheet
   Palette: Deep navy + amber/solar gold
   Fonts: Playfair Display + DM Sans
   ============================================ */

:root {
  --navy:          #0B1F3A;
  --navy-mid:      #112847;
  --navy-light:    #1A3A5C;
  --amber:         #F5A623;
  --amber-light:   #FFB84D;
  --amber-glow:    rgba(245, 166, 35, 0.12);
  --white:         #FFFFFF;
  --off-white:     #F0EBE1;
  --text-muted:    #7A9BBF;
  --card-bg:       rgba(255,255,255,0.035);
  --border:        rgba(245, 166, 35, 0.18);

  /* Topic colours */
  --energy-color:    #F5A623;
  --cyber-color:     #2ABFBF;
  --literature-color:#C0405A;
  --cycling-color:   #4CAF7D;
  --society-color:   #6B8CBA;
  --film-color:      #9B6BB5;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --radius:       12px;
  --max-width:    1080px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background-color: var(--navy);
  color: var(--off-white);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.75;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ── Background ── */
.bg-grid {
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(245,166,35,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,166,35,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none; z-index: 0;
}
.bg-glow {
  position: fixed; top: -250px; right: -250px;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(245,166,35,0.10) 0%, transparent 68%);
  pointer-events: none; z-index: 0;
}

/* ── Header ── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.1rem 2rem;
  background: rgba(11,31,58,0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.header-logo {
  font-family: var(--font-display);
  font-size: 1.25rem; font-weight: 700;
  color: var(--amber); letter-spacing: 0.02em;
}
nav { display: flex; gap: 2rem; align-items: center; }
nav a {
  color: var(--text-muted); font-size: 0.9rem;
  font-weight: 400; letter-spacing: 0.03em;
  transition: color 0.2s;
}
nav a:hover { color: var(--off-white); }
nav .nav-blog { color: var(--amber); font-weight: 500; }
nav .nav-blog:hover { color: var(--amber-light); }

/* ── Shared layout ── */
section { position: relative; z-index: 1; }
.section-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 2rem;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-block;
  padding: 0.75rem 1.7rem;
  background: var(--amber); color: var(--navy);
  font-family: var(--font-body); font-weight: 500; font-size: 0.92rem;
  border-radius: var(--radius); transition: background 0.2s, transform 0.15s;
  letter-spacing: 0.02em;
}
.btn-primary:hover { background: var(--amber-light); transform: translateY(-1px); }

.btn-outline {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--border); color: var(--off-white);
  font-family: var(--font-body); font-weight: 400; font-size: 0.92rem;
  border-radius: var(--radius); transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.btn-outline:hover {
  border-color: var(--amber); color: var(--amber);
  background: var(--amber-glow);
}

.icon-link {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--border); border-radius: 50%;
  color: var(--text-muted);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.icon-link:hover {
  border-color: var(--amber); color: var(--amber);
  background: var(--amber-glow);
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 8rem 2rem 5rem;
}
.hero-inner {
  max-width: var(--max-width); margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 300px 1fr;
  gap: 5rem; align-items: center;
}

/* Photo */
.photo-frame {
  width: 280px; height: 340px;
  border-radius: 18px; overflow: hidden;
  border: 1px solid var(--border);
  background: var(--navy-light);
  position: relative;
}
.photo-frame::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: 18px;
  box-shadow: inset 0 0 0 1px rgba(245,166,35,0.2);
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.photo-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}
.photo-placeholder span {
  font-family: var(--font-display);
  font-size: 5rem; font-weight: 700;
  color: var(--amber); opacity: 0.25;
}

/* Hero text */
.hero-location {
  font-size: 0.8rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--amber);
  font-weight: 500; margin-bottom: 0.9rem;
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 6vw, 5rem);
  font-weight: 700; line-height: 1.05;
  color: var(--white); margin-bottom: 1.4rem;
  letter-spacing: -0.02em;
}
.hero-tagline {
  font-family: var(--font-display);
  font-size: 1.25rem; font-weight: 400;
  color: var(--off-white); line-height: 1.5;
  margin-bottom: 0.8rem;
}
.hero-tagline em { color: var(--amber); font-style: italic; }
.hero-sub {
  font-size: 0.95rem; color: var(--text-muted);
  max-width: 440px; margin-bottom: 2.2rem; line-height: 1.8;
}
.hero-links {
  display: flex; gap: 0.9rem;
  flex-wrap: wrap; align-items: center;
}

/* ── Writing / Topic Grid ── */
.writing {
  padding: 5rem 2rem 6rem;
}
.writing-header {
  display: flex; align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}
.section-label {
  font-family: var(--font-display);
  font-size: 1.8rem; font-weight: 700;
  color: var(--white);
}
.all-posts-link {
  color: var(--amber); font-size: 0.9rem;
  font-weight: 500; transition: color 0.2s;
}
.all-posts-link:hover { color: var(--amber-light); }

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 1.2rem;
}

/* Base card */
.topic-card {
  position: relative; overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.07);
  padding: 2rem 1.8rem 2rem;
  display: block;
  cursor: pointer;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  min-height: 220px;
}
.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.topic-bg {
  position: absolute; inset: 0;
  opacity: 0.12;
  transition: opacity 0.25s;
}
.topic-card:hover .topic-bg { opacity: 0.2; }
.topic-content { position: relative; z-index: 1; }

.topic-tag {
  display: inline-block;
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: 50px;
  margin-bottom: 1rem;
  border: 1px solid currentColor;
}
.topic-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem; font-weight: 700;
  color: var(--white); margin-bottom: 0.6rem;
  line-height: 1.3;
}
.topic-card p {
  font-size: 0.85rem; color: var(--text-muted);
  line-height: 1.7;
}

/* Per-topic colours */
.topic-energy  { border-color: rgba(245,166,35,0.25); }
.topic-energy  .topic-bg  { background: var(--energy-color); }
.topic-energy  .topic-tag { color: var(--energy-color); }
.topic-energy:hover        { border-color: var(--energy-color); }

.topic-cyber   { border-color: rgba(42,191,191,0.25); }
.topic-cyber   .topic-bg  { background: var(--cyber-color); }
.topic-cyber   .topic-tag { color: var(--cyber-color); }
.topic-cyber:hover         { border-color: var(--cyber-color); }

.topic-literature { border-color: rgba(192,64,90,0.25); }
.topic-literature .topic-bg  { background: var(--literature-color); }
.topic-literature .topic-tag { color: var(--literature-color); }
.topic-literature:hover       { border-color: var(--literature-color); }

.topic-cycling  { border-color: rgba(76,175,125,0.25); }
.topic-cycling  .topic-bg  { background: var(--cycling-color); }
.topic-cycling  .topic-tag { color: var(--cycling-color); }
.topic-cycling:hover        { border-color: var(--cycling-color); }

.topic-society  { border-color: rgba(107,140,186,0.25); }
.topic-society  .topic-bg  { background: var(--society-color); }
.topic-society  .topic-tag { color: var(--society-color); }
.topic-society:hover        { border-color: var(--society-color); }

.topic-film     { border-color: rgba(155,107,181,0.25); }
.topic-film     .topic-bg  { background: var(--film-color); }
.topic-film     .topic-tag { color: var(--film-color); }
.topic-film:hover           { border-color: var(--film-color); }

/* ── Pull quote ── */
.pull-quote {
  padding: 5rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.pull-quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-style: italic; font-weight: 400;
  color: var(--off-white);
  max-width: 700px; margin: 0 auto;
  line-height: 1.55;
}

/* ── Footer ── */
footer {
  position: relative; z-index: 1;
  padding: 2rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap;
  gap: 1rem; font-size: 0.82rem; color: var(--text-muted);
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--text-muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--amber); }

/* ============================================
   About Page
   ============================================ */
.about-page main {
  padding-top: 7rem;
}
.about-hero {
  padding: 4rem 2rem 3rem;
  border-bottom: 1px solid var(--border);
}
.about-hero-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: 220px 1fr;
  gap: 4rem; align-items: center;
}
.about-photo-frame {
  width: 200px; height: 240px;
  border-radius: 14px; overflow: hidden;
  border: 1px solid var(--border);
  background: var(--navy-light);
}
.about-photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.about-photo-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}
.about-photo-placeholder span {
  font-family: var(--font-display);
  font-size: 3.5rem; font-weight: 700;
  color: var(--amber); opacity: 0.25;
}
.about-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700; color: var(--white);
  line-height: 1.1; margin-bottom: 0.8rem;
}
.about-strapline {
  font-size: 1rem; color: var(--amber);
  font-weight: 400; margin-bottom: 1.2rem;
}
.about-intro {
  font-size: 0.95rem; color: var(--text-muted);
  max-width: 520px; line-height: 1.85;
}

/* About body */
.about-body { padding: 4rem 2rem 5rem; }
.about-body-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 280px;
  gap: 5rem; align-items: start;
}

.about-section { margin-bottom: 3rem; }
.about-section-title {
  font-family: var(--font-display);
  font-size: 1.3rem; font-weight: 700;
  color: var(--white); margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--amber);
  display: inline-block;
}
.about-section p {
  font-size: 0.95rem; color: var(--text-muted);
  line-height: 1.85; margin-bottom: 0.9rem;
}

/* Credentials sidebar */
.credentials { display: flex; flex-direction: column; gap: 1rem; padding-top: 0.5rem; }
.credential-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
}
.credential-card h4 {
  font-size: 0.85rem; font-weight: 500;
  color: var(--white); margin-bottom: 0.25rem;
}
.credential-card p {
  font-size: 0.78rem; color: var(--text-muted);
  line-height: 1.5;
}
.credential-card .cred-year {
  font-size: 0.72rem; color: var(--amber);
  font-weight: 500; margin-top: 0.4rem;
  display: block;
}

.about-cta-row {
  display: flex; gap: 1rem;
  flex-wrap: wrap; margin-top: 2rem;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 2.5rem; }
  .hero-photo-col { display: flex; justify-content: center; }
  .photo-frame { width: 200px; height: 240px; }
  .hero-sub { margin: 0 auto 2.2rem; }
  .hero-links { justify-content: center; }
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
  .about-hero-inner { grid-template-columns: 1fr; }
  .about-body-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .credentials { display: grid; grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .hero { padding: 7rem 1.5rem 3rem; }
  .topic-grid { grid-template-columns: 1fr; }
  .credentials { grid-template-columns: 1fr; }
  nav a:not(.nav-blog) { display: none; }
  .section-inner { padding: 0 1.5rem; }
}