/* ============================================================
   Mark Sullivan — Personal Site
   Static build for Cloudflare Pages
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&family=DM+Serif+Display:ital@0;1&display=swap');

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

:root {
  --bg:        #0a0a0a;
  --bg2:       #111111;
  --bg3:       #1a1a1a;
  --border:    #242424;
  --text:      #e8e4de;
  --muted:     #888;
  --gold:      #b8965a;
  --gold-lt:   #d4af76;
  --white:     #f5f2ee;
  --ff-display: 'Bebas Neue', sans-serif;
  --ff-serif:   'DM Serif Display', serif;
  --ff-body:    'DM Sans', sans-serif;
  --nav-h:     72px;
  --max:       1200px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--ff-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 1000;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* ---- Typography ---- */
h1, h2, h3, h4 { line-height: 1.15; font-weight: 400; }

.display { font-family: var(--ff-display); letter-spacing: 0.02em; line-height: 0.95; }
.serif   { font-family: var(--ff-serif); }

/* ---- Layout ---- */
.container { max-width: var(--max); margin: 0 auto; padding: 0 2rem; }
.section   { padding: 6rem 0; }

/* ---- Nav ---- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  z-index: 100;
  transition: background 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}

nav.scrolled {
  background: rgba(10,10,10,0.96);
  backdrop-filter: blur(12px);
  border-color: var(--border);
}

.nav-inner {
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--ff-display);
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  color: var(--white);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); }

/* Mobile nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 700px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(10,10,10,0.98);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; text-align: center; }
  .nav-links a { display: block; padding: 1rem; font-size: 1rem; }
}

/* ---- Hero ---- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 6rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 60% 40%, #1c1410 0%, #0a0a0a 70%);
}

.hero-line {
  position: absolute;
  top: 0; left: 50%;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--border) 30%, var(--border) 70%, transparent);
  opacity: 0.4;
}

.hero-content { position: relative; }

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--gold);
}

.hero-title {
  font-family: var(--ff-display);
  font-size: clamp(5rem, 14vw, 14rem);
  line-height: 0.9;
  color: var(--white);
  letter-spacing: 0.01em;
  margin-bottom: 2rem;
}

.hero-title em {
  color: var(--gold);
  font-style: normal;
}

.hero-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 420px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--gold);
  color: var(--gold);
  transition: background 0.2s, color 0.2s;
}

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

.btn-filled {
  background: var(--gold);
  color: var(--bg);
}

.btn-filled:hover {
  background: var(--gold-lt);
  border-color: var(--gold-lt);
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.about-heading {
  font-family: var(--ff-serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.about-body {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5px;
  margin-top: 1.5px;
}

.pillar {
  background: var(--bg3);
  padding: 1.75rem;
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}

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

.pillar-icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.pillar h3 {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 0.4rem;
}

.pillar p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}

@media (max-width: 800px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .pillars { grid-template-columns: 1fr 1fr; }
}

/* ---- Instagram ---- */
.instagram-section {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
  padding: 5rem 0;
}

.instagram-handle {
  font-family: var(--ff-display);
  font-size: clamp(3rem, 8vw, 7rem);
  color: var(--white);
  letter-spacing: 0.04em;
  margin: 1rem 0 1.5rem;
  transition: color 0.2s;
}

.instagram-handle:hover { color: var(--gold); }

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
}

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}

.contact-info h2 {
  font-family: var(--ff-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--white);
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--muted);
  line-height: 1.7;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--ff-body);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}

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

.form-group textarea { min-height: 140px; }

.form-status {
  font-size: 0.85rem;
  margin-top: 0.75rem;
  min-height: 1.2em;
}

.form-status.success { color: #6dbf7e; }
.form-status.error   { color: #e57373; }

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ---- Page Header (inner pages) ---- */
.page-header {
  padding: calc(var(--nav-h) + 5rem) 0 4rem;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-family: var(--ff-display);
  font-size: clamp(3.5rem, 8vw, 7rem);
  color: var(--white);
  letter-spacing: 0.02em;
  line-height: 0.92;
}

.page-header p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin-top: 1.25rem;
}

/* ---- Portfolio ---- */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.filter-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--ff-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(184,150,90,0.08);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
}

@media (max-width: 900px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .portfolio-grid { grid-template-columns: 1fr; } }

.portfolio-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--bg3);
  cursor: pointer;
  transition: opacity 0.3s;
}

.portfolio-item.hidden { display: none; }

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-item:hover img { transform: scale(1.05); }

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }

.portfolio-overlay span {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 0.25rem;
}

.portfolio-overlay h3 {
  font-size: 1rem;
  font-weight: 400;
  color: var(--white);
}

/* ---- Blog ---- */
.blog-list { display: flex; flex-direction: column; gap: 0; }

.blog-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 2.5rem;
  align-items: start;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.blog-card:hover { background: rgba(255,255,255,0.02); }

.blog-date {
  font-family: var(--ff-display);
  font-size: 2.5rem;
  line-height: 1;
  color: var(--border);
  letter-spacing: 0.02em;
  padding-top: 0.25rem;
}

.blog-meta {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.blog-card h2 {
  font-family: var(--ff-serif);
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 0.75rem;
  font-weight: 400;
  transition: color 0.2s;
}

.blog-card:hover h2 { color: var(--gold-lt); }

.blog-excerpt {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
  max-width: 560px;
}

.read-more {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.blog-card:hover .read-more { border-color: var(--gold); }

@media (max-width: 600px) {
  .blog-card { grid-template-columns: 1fr; gap: 0.75rem; }
  .blog-date { font-size: 1.5rem; color: var(--gold); }
}

/* ---- Blog Post ---- */
.post-header {
  padding: calc(var(--nav-h) + 5rem) 0 3rem;
  border-bottom: 1px solid var(--border);
  max-width: 760px;
}

.post-meta {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.post-meta::before {
  content: '';
  display: block;
  width: 30px;
  height: 1px;
  background: var(--gold);
}

.post-title {
  font-family: var(--ff-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--white);
  line-height: 1.15;
  font-weight: 400;
}

.post-body {
  max-width: 700px;
  padding: 4rem 0 6rem;
  font-size: 1.05rem;
  line-height: 1.8;
  color: #c8c4be;
}

.post-body h2 {
  font-family: var(--ff-serif);
  font-size: 1.6rem;
  color: var(--white);
  margin: 2.5rem 0 1rem;
  font-weight: 400;
}

.post-body h3 {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
  margin: 2rem 0 0.75rem;
  letter-spacing: 0.04em;
}

.post-body p { margin-bottom: 1.25rem; }

.post-body ol,
.post-body ul {
  margin: 1rem 0 1.25rem 1.5rem;
}

.post-body li { margin-bottom: 0.5rem; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2rem;
  transition: color 0.2s;
}

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

.back-link::before { content: '←'; }

/* ---- Divider ---- */
.divider {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 2rem 0;
}

/* ---- Animations ---- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: none;
}