/* Simon Bacon — Personal Professional Profile */
/* Vanilla CSS — NO Tailwind, NO framework */

:root {
  --color-black: #1E1E2E;
  --color-gold: #C9A96E;
  --color-gold-light: #E8D5B0;
  --color-gold-dark: #A8884E;
  --color-white: #FFFFFF;
  --color-off-white: #F5F5F5;
  --color-gray: #6B7280;
  --color-gray-light: #E5E7EB;
  --color-text: #374151;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Lato', 'Helvetica Neue', Arial, sans-serif;

  --max-width: 1100px;
  --section-padding: 5rem 1.5rem;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-gold-dark); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-gold); }

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-black);
  font-weight: 700;
  line-height: 1.2;
}

/* ========== HEADER / NAV ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(30, 30, 46, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(201, 169, 110, 0.2);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-brand {
  font-family: var(--font-heading);
  color: var(--color-white);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-brand:hover { color: var(--color-gold); }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--color-gold); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  margin: 5px 0;
  transition: 0.3s;
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--color-black);
  color: var(--color-white);
  padding: 6rem 1.5rem 4rem;
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--color-white), transparent);
}

.hero-content { position: relative; z-index: 1; }

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  color: var(--color-white);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-gold-light);
  font-weight: 400;
  font-style: italic;
  margin-bottom: 2rem;
}

.hero-desc {
  max-width: 600px;
  margin: 0 auto 2.5rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 1.05rem;
  line-height: 1.8;
}

.hero-cta {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  border: 1.5px solid var(--color-gold);
  color: var(--color-gold);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
  transition: all 0.3s;
}

.hero-cta:hover {
  background: var(--color-gold);
  color: var(--color-black);
}

/* ========== SECTIONS ========== */
.section {
  padding: var(--section-padding);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-alt { background: var(--color-off-white); }

.section-title {
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--color-gray);
  font-size: 1.05rem;
  max-width: 600px;
  margin-bottom: 3rem;
}

.gold-line {
  width: 50px;
  height: 2px;
  background: var(--color-gold);
  margin-bottom: 1.5rem;
}

/* ========== BIO ========== */
.bio-content {
  max-width: 720px;
  font-size: 1.05rem;
  line-height: 1.9;
}

.bio-content p { margin-bottom: 1.25rem; }

/* ========== TIMELINE ========== */
.timeline {
  position: relative;
  padding-left: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-gold-light);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.5rem;
  top: 0.4rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gold);
  border: 2px solid var(--color-white);
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--color-gold-dark);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.timeline-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 0.25rem;
}

.timeline-desc {
  color: var(--color-gray);
  font-size: 0.95rem;
}

/* ========== EXPERTISE CARDS ========== */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.expertise-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  padding: 2rem;
  transition: border-color 0.2s;
}

.expertise-card:hover { border-color: var(--color-gold); }

.expertise-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.expertise-card p {
  color: var(--color-gray);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ========== MEDIA / PUBLICATIONS ========== */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.media-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  padding: 1.75rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.media-card:hover {
  border-color: var(--color-gold);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.media-source {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gold-dark);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.media-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.media-desc {
  color: var(--color-gray);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.media-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-gold-dark);
  letter-spacing: 0.05em;
}

.media-link:hover { color: var(--color-gold); }

/* ========== PUBLICATION LIST ========== */
.pub-list { list-style: none; }

.pub-list li {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-gray-light);
  display: flex;
  gap: 1rem;
  align-items: baseline;
}

.pub-list li:last-child { border-bottom: none; }

.pub-year {
  font-family: var(--font-heading);
  color: var(--color-gold-dark);
  font-weight: 700;
  font-size: 0.85rem;
  min-width: 3.5rem;
  flex-shrink: 0;
}

.pub-title {
  font-weight: 600;
  color: var(--color-black);
}

.pub-journal {
  color: var(--color-gray);
  font-size: 0.9rem;
  font-style: italic;
}

/* ========== CONTACT FORM ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.form-group { margin-bottom: 1.5rem; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-gray-light);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-gold);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.btn-submit {
  display: inline-block;
  padding: 0.85rem 2.5rem;
  background: var(--color-black);
  color: var(--color-white);
  border: none;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-submit:hover { background: var(--color-gold-dark); }

.contact-info h3 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.contact-detail { margin-bottom: 1.5rem; }

.contact-detail-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact-detail-value {
  font-size: 1rem;
  color: var(--color-black);
}

.contact-detail-value a { color: var(--color-gold-dark); }
.contact-detail-value a:hover { color: var(--color-gold); }

/* ========== FOOTER ========== */
.site-footer {
  background: var(--color-black);
  color: rgba(255, 255, 255, 0.4);
  text-align: center;
  padding: 2.5rem 1.5rem;
  font-size: 0.8rem;
}

.site-footer a { color: rgba(255, 255, 255, 0.6); }
.site-footer a:hover { color: var(--color-gold); }

/* ========== PAGE HEADER (sub-pages) ========== */
.page-header {
  background: var(--color-black);
  color: var(--color-white);
  padding: 8rem 1.5rem 3rem;
  text-align: center;
}

.page-header h1 {
  color: var(--color-white);
  font-size: 2.5rem;
}

.page-header p {
  color: rgba(255, 255, 255, 0.5);
  margin-top: 0.5rem;
}

/* ========== MOBILE ========== */
@media (max-width: 768px) {
  :root { --section-padding: 3.5rem 1.25rem; }

  .nav-links { display: none; }
  .nav-toggle { display: block; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-black);
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid rgba(201, 169, 110, 0.2);
  }

  .hero h1 { font-size: 2.8rem; }
  .hero-subtitle { font-size: 1.15rem; }

  .contact-grid { grid-template-columns: 1fr; }

  .media-grid { grid-template-columns: 1fr; }

  .pub-list li { flex-direction: column; gap: 0.25rem; }
}