/* ==========================================================================
   DN Design Hub
   Brand: DN Creative LLC (Brand Design System v1.0, 2026)
   A running personal archive — links, downloads, explainers, videos,
   frameworks and skills Dan comes across and wants to keep + share.
   ========================================================================== */

:root {
  /* DN Creative palette */
  --pitch-black: #0A0A0A;
  --warm-white: #F5F3EE;
  --blaze-orange: #FF5E1A;
  --orange-dark: #CC4C16;
  --orange-light: #FF8050;
  --orange-tint: rgba(255, 94, 26, 0.12);
  --surface-dark: #1E1E1E;
  --surface-darker: #141414;
  --graphite: #6B6B6B;
  --gray-light: #C8C6C0;
  --gray-mid: #383838;
  --border-dark: rgba(245, 243, 238, 0.08);
  --border-dark-strong: rgba(245, 243, 238, 0.16);

  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-7: 56px;
  --space-8: 64px;

  --nav-height: 76px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--pitch-black);
  color: var(--warm-white);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ---- Topographic texture (shared hero background device) --------------- */
.topo-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.topo-bg::before {
  content: '';
  position: absolute;
  inset: -5%;
  background-image: url('../img/TOPO_SPRING_HUNT_1600x.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.1;
  animation: topoShift 30s ease-in-out infinite;
}
.topo-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--pitch-black) 0%, transparent 30%, transparent 70%, var(--pitch-black) 100%);
}
@keyframes topoShift {
  0%   { transform: translate(0, 0) scale(1.05); }
  50%  { transform: translate(-1.5%, -1%) scale(1.08); }
  100% { transform: translate(0, 0) scale(1.05); }
}

/* ---- Type scale ---------------------------------------------------- */
.eyebrow {
  font-family: var(--font-display);
  font-size: clamp(11px, 1.1vw, 13px);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blaze-orange);
}
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 0.95;
  margin: 0;
}
h1 { font-size: clamp(42px, 6.2vw, 84px); }
h2 { font-size: clamp(30px, 4vw, 48px); }
h3 { font-size: clamp(20px, 2.4vw, 28px); letter-spacing: 0.03em; }
p  { font-size: 16px; color: var(--warm-white); }
.lede { font-size: clamp(17px, 1.6vw, 20px); line-height: 1.6; color: var(--gray-light); max-width: 62ch; }
.small { font-size: 14px; color: var(--graphite); }
.xsmall { font-size: 12px; color: var(--graphite); }

/* ---- Layout helpers -------------------------------------------------- */
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 900px) { .wrap { padding: 0 48px; } }
section { position: relative; }

/* ---- Nav ---------------------------------------------------------- */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-height);
  display: flex; align-items: center;
  background: rgba(10,10,10,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 0.5px solid var(--border-dark);
}
.nav-inner {
  width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
@media (min-width: 900px) { .nav-inner { padding: 0 48px; } }

.lockup-group { display: flex; align-items: center; gap: var(--space-3); }
.brand-lockup { display: flex; align-items: center; gap: 12px; }
.brand-lockup .mark { width: 26px; height: auto; }
.brand-divider { width: 0.5px; height: 28px; background: var(--border-dark-strong); }
.brand-word { font-family: var(--font-display); font-size: 18px; letter-spacing: 0.02em; line-height: 1; }
.brand-sub { font-family: var(--font-body); font-size: 8px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--orange-dark); margin-top: 2px; }

.hub-title-inline {
  display: none;
  font-family: var(--font-body); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--graphite); padding-left: var(--space-3); border-left: 0.5px solid var(--border-dark);
}
@media (min-width: 780px) { .hub-title-inline { display: block; } }

.nav-links {
  display: none;
  gap: var(--space-4);
  font-family: var(--font-body); font-size: 13px; font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase;
}
.nav-links a { position: relative; color: var(--gray-light); transition: color 0.2s var(--ease); padding: 6px 0; }
.nav-links a:hover, .nav-links a.active { color: var(--warm-white); }
.nav-links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; background: var(--blaze-orange);
}
@media (min-width: 780px) { .nav-links { display: flex; } }

.hamburger {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 32px; height: 32px; background: none; border: none; cursor: pointer; padding: 0;
}
@media (min-width: 780px) { .hamburger { display: none; } }
.hamburger span { display: block; height: 1.5px; width: 100%; background: var(--warm-white); transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
.hamburger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-panel {
  display: none;
  position: fixed; inset: var(--nav-height) 0 0 0; z-index: 99;
  background: var(--pitch-black);
  padding: var(--space-4) var(--space-3);
  flex-direction: column; gap: var(--space-1);
}
.mobile-panel.is-open { display: flex; }
.mobile-panel a {
  font-family: var(--font-display); font-size: 32px; letter-spacing: 0.02em;
  padding: var(--space-2) 0; border-bottom: 0.5px solid var(--border-dark); color: var(--gray-light);
}
.mobile-panel a.active { color: var(--blaze-orange); }
.mobile-panel .mp-meta { margin-top: var(--space-4); color: var(--graphite); font-size: 13px; }
@media (min-width: 780px) { .mobile-panel { display: none !important; } }

/* ---- Hero ---------------------------------------------------------- */
.hero {
  position: relative;
  padding: var(--space-7) 0 var(--space-6);
  border-bottom: 0.5px solid var(--border-dark);
  overflow: hidden;
}
.hero .wrap { position: relative; z-index: 1; }
.hero h1 { margin-top: var(--space-2); max-width: 18ch; }
.hero .lede { margin-top: var(--space-3); }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  margin-top: var(--space-4); padding-top: var(--space-3); border-top: 0.5px solid var(--border-dark);
}
.hero-meta .stat { display: flex; flex-direction: column; gap: 2px; }
.hero-meta .stat .num { font-family: var(--font-display); font-size: 32px; color: var(--blaze-orange); line-height: 1; }
.hero-meta .stat .lbl { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--graphite); }

/* ---- Full-width CTA band (dark topo, one orange focal button) --------- */
.cta-band {
  position: relative;
  overflow: hidden;
  padding: var(--space-7) 0;
  border-top: 0.5px solid var(--border-dark);
  border-bottom: 0.5px solid var(--border-dark);
  background: var(--pitch-black);
  text-align: center;
}
.cta-band .wrap {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: var(--space-2);
}
.cta-band h2 { max-width: 24ch; }
.cta-band p { color: var(--gray-light); max-width: 52ch; }
.btn-cta {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: var(--space-2);
  font-family: var(--font-display); font-size: 17px; letter-spacing: 0.06em;
  padding: 16px 32px; border-radius: 2px;
  background: var(--blaze-orange); color: var(--pitch-black);
  transition: background 0.2s var(--ease), transform 0.15s var(--ease);
}
.btn-cta .arrow { transition: transform 0.2s var(--ease); }
.btn-cta:hover { background: var(--orange-light); transform: translateY(-1px); }
.btn-cta:hover .arrow { transform: translateX(4px); }

.btn-row { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2); margin-top: var(--space-2); }
.btn-cta--outline {
  background: transparent; color: var(--warm-white);
  border: 0.5px solid var(--border-dark-strong);
}
.btn-cta--outline:hover { background: transparent; border-color: var(--blaze-orange); color: var(--blaze-orange); }

/* ---- Bio layout (About page) ------------------------------------------ */
.bio-layout { display: grid; grid-template-columns: 1fr; gap: var(--space-4); align-items: start; }
@media (min-width: 780px) { .bio-layout { grid-template-columns: 280px 1fr; } }
.bio-photo-wrap { max-width: 320px; }
.bio-photo {
  width: 100%; aspect-ratio: 474 / 512; object-fit: cover;
  border: 0.5px solid var(--border-dark-strong); background: var(--surface-darker);
}
.bio-photo-wrap::after { content: ''; display: block; width: 48px; height: 3px; margin-top: 14px; background: var(--blaze-orange); }
.bio-content p { max-width: 62ch; }

/* ---- Legend / key bar ------------------------------------------------ */
.legend-bar {
  padding: var(--space-3) 0;
  border-bottom: 0.5px solid var(--border-dark);
  display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4);
  font-size: 12px; color: var(--graphite);
}
.legend-bar strong { color: var(--gray-light); font-weight: 500; }
.legend-item { display: flex; align-items: center; gap: 6px; }

/* ---- Filter controls -------------------------------------------------- */
.filters {
  padding: var(--space-3) 0;
  display: flex; flex-wrap: wrap; gap: var(--space-2);
  align-items: center;
}
.filter-group { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.filter-group .fg-label { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--graphite); margin-right: 4px; }
.chip {
  font-family: var(--font-body); font-size: 12px; font-weight: 500; letter-spacing: 0.02em;
  padding: 7px 14px; border-radius: 100px; border: 0.5px solid var(--border-dark-strong);
  background: transparent; color: var(--gray-light); cursor: pointer;
  transition: all 0.2s var(--ease);
}
.chip:hover { border-color: var(--blaze-orange); color: var(--warm-white); }
.chip.is-active { background: var(--warm-white); color: var(--pitch-black); border-color: var(--warm-white); }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 3px; white-space: nowrap;
}
.badge-new { background: transparent; color: var(--gray-light); border: 0.5px dashed var(--gray-mid); }

.pill-row { display: flex; flex-wrap: wrap; gap: 6px; margin: var(--space-2) 0; }
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 500; letter-spacing: 0.02em;
  padding: 4px 10px 4px 8px; border-radius: 100px;
  background: var(--surface-darker); border: 0.5px solid var(--border-dark-strong); color: var(--gray-light);
}
.pill .ico { font-size: 11px; line-height: 1; }

/* ---- Generic content section ------------------------------------------ */
.section { padding-top: var(--space-7); padding-bottom: var(--space-7); border-bottom: 0.5px solid var(--border-dark); }
.section-head { margin-bottom: var(--space-4); max-width: 70ch; }
.section-head .eyebrow { margin-bottom: var(--space-1); }
.section-head p { color: var(--gray-light); }

/* ---- Cards / grids ----------------------------------------------------- */
.grid { display: grid; gap: var(--space-2); }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 780px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.callout-orange {
  background: var(--blaze-orange); color: var(--pitch-black);
  padding: var(--space-4); margin: var(--space-2) 0 var(--space-5);
  border-radius: 2px;
}
.callout-orange .eyebrow { color: rgba(10,10,10,0.6); }
.callout-orange h3 { color: var(--pitch-black); margin-top: 8px; }
.callout-orange p { color: rgba(10,10,10,0.82); font-size: 15px; }
.callout-orange a { text-decoration: underline; }
.callout-orange .pill { background: rgba(10,10,10,0.08); border-color: rgba(10,10,10,0.2); color: var(--pitch-black); }

.empty-state {
  border: 0.5px dashed var(--border-dark-strong); padding: var(--space-6) var(--space-3);
  text-align: center; color: var(--graphite); margin-top: var(--space-4);
}
.empty-state .eyebrow { display: block; margin-bottom: 8px; }

/* ---- Footer: global dark brand sign-off, links back to DN Creative Studio -- */
.site-footer {
  position: relative;
  overflow: hidden;
  padding: var(--space-7) 0 var(--space-5);
  border-top: 0.5px solid var(--border-dark);
  background: var(--pitch-black);
}
.footer-inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: var(--space-4);
  text-align: center;
}
.footer-brand { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.footer-brand__mark { width: 40px; height: auto; }
.footer-brand__lockup { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.footer-brand__word {
  font-family: var(--font-display); font-size: 24px; letter-spacing: 0.02em; line-height: 1;
  color: var(--warm-white);
  display: inline-flex; align-items: center; gap: 8px;
  transition: color 0.2s var(--ease);
}
.footer-brand__sub {
  font-family: var(--font-body); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--orange-dark);
}
.footer-brand__arrow {
  display: inline-block; color: var(--blaze-orange);
  opacity: 0; transform: translateX(-4px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}
.footer-brand:hover .footer-brand__word { color: var(--blaze-orange); }
.footer-brand:hover .footer-brand__arrow { opacity: 1; transform: translateX(0); }
.footer-copy { font-size: 12.5px; color: var(--graphite); margin: 0; }

/* ---- Utility -------------------------------------------------------- */
.stagger > * { opacity: 0; transform: translateY(14px); animation: cardIn 0.6s var(--ease) forwards; }
.stagger > *:nth-child(1) { animation-delay: 0.05s; }
.stagger > *:nth-child(2) { animation-delay: 0.12s; }
.stagger > *:nth-child(3) { animation-delay: 0.19s; }
.stagger > *:nth-child(4) { animation-delay: 0.26s; }
.stagger > *:nth-child(5) { animation-delay: 0.33s; }
.stagger > *:nth-child(6) { animation-delay: 0.4s; }
@keyframes cardIn { to { opacity: 1; transform: translateY(0); } }