/* ============================================================================
   HanoHub Resource Hub — brand stylesheet
   Palette (brand guide §06): dark #0F2D1F · mid #1B4D32 · accent #52B788
   · deep #3A8C5C · white #FFFFFF.  Type (§07): Syne display, Inter body.
   ========================================================================== */

:root {
  --dark: #0F2D1F;
  --dark-2: #0b2417;
  --mid: #1B4D32;
  --mid-2: #1f5839;
  --accent: #52B788;
  --accent-bright: #06CB83; /* logo green, used sparingly */
  --deep: #3A8C5C;
  --white: #FFFFFF;

  --t-100: rgba(255, 255, 255, 1);
  --t-75: rgba(255, 255, 255, 0.75);
  --t-55: rgba(255, 255, 255, 0.55);
  --t-40: rgba(255, 255, 255, 0.40);
  --t-25: rgba(255, 255, 255, 0.25);
  --t-12: rgba(255, 255, 255, 0.12);
  --t-08: rgba(255, 255, 255, 0.08);

  --line: rgba(82, 183, 136, 0.18);
  --radius: 16px;
  --radius-sm: 10px;
  --wrap: 1160px;

  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--t-75);
  background: var(--dark);
  -webkit-font-smoothing: antialiased;
  line-height: 1.65;
  overflow-x: hidden;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

a { color: var(--accent); text-decoration: none; }
img { display: block; max-width: 100%; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: var(--dark); padding: 10px 16px; z-index: 200;
  font-weight: 700; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* ---------- Shared type ---------- */
.eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow .bar {
  display: inline-block; width: 28px; height: 2px; background: var(--accent);
}
.display {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 0 0 24px;
}
.display .accent { color: var(--accent); }
.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 0;
}
.lede {
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  color: var(--t-75);
  max-width: 60ch;
  margin: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-body); font-weight: 700; font-size: 0.95rem;
  padding: 13px 22px; border-radius: var(--radius-sm); cursor: pointer;
  border: 1px solid transparent; transition: transform .15s ease, background .2s ease, border-color .2s ease;
  text-align: center;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--dark); }
.btn-primary:hover { background: var(--deep); color: var(--white); }
.btn-ghost { background: transparent; color: var(--white); border-color: var(--t-25); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: 16px 30px; font-size: 1.02rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 36, 23, 0.82);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--t-08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--white); }
.brand-mark {
  display: grid; place-items: center; width: 36px; height: 36px;
  background: #000; color: var(--accent-bright); border-radius: 8px;
  font-family: var(--font-display); font-weight: 800; font-size: 22px; line-height: 1;
}
.brand-name { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; }
.brand-name span { color: var(--accent); }
.brand-sep { width: 1px; height: 22px; background: var(--t-12); }
.brand-eyebrow { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--t-55); font-weight: 600; }
.header-nav { display: flex; align-items: center; gap: 26px; }
.header-nav > a:not(.btn) { color: var(--t-75); font-weight: 500; font-size: 0.95rem; }
.header-nav > a:not(.btn):hover { color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(64px, 11vw, 130px) 0 clamp(56px, 8vw, 96px);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(82,183,136,0.20), transparent 55%),
    radial-gradient(90% 80% at 0% 110%, rgba(6,203,131,0.10), transparent 60%),
    var(--dark);
  overflow: hidden;
}
.hero .wrap { position: relative; z-index: 2; }
.hero-grid-lines {
  position: absolute; inset: 0; z-index: 1; opacity: .5;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 100% at 70% 0%, #000 30%, transparent 80%);
}
.hero .lede { margin-top: 4px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.hero-meta span {
  font-size: 0.84rem; font-weight: 600; color: var(--t-75);
  padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(82,183,136,0.06);
}

/* staggered reveal */
.hero .eyebrow, .hero .display, .hero .lede, .hero-meta {
  opacity: 0; transform: translateY(14px); animation: rise .7s ease forwards;
}
.hero .display { animation-delay: .08s; }
.hero .lede { animation-delay: .16s; }
.hero-meta { animation-delay: .24s; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .hero * { animation: none !important; opacity: 1 !important; transform: none !important; } }

/* ---------- Section heads ---------- */
.section-head { margin-bottom: 40px; }

/* ---------- Resources ---------- */
.resources { padding: clamp(56px, 8vw, 96px) 0; }

.filters { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 34px; }
.search-box {
  display: flex; align-items: center; gap: 10px;
  background: var(--mid); border: 1px solid var(--t-08); border-radius: var(--radius-sm);
  padding: 0 14px; color: var(--t-55); min-width: 240px; flex: 1 1 240px; max-width: 340px;
}
.search-box input {
  border: 0; outline: 0; background: transparent; color: var(--white);
  font-family: var(--font-body); font-size: 0.95rem; padding: 12px 0; width: 100%;
}
.search-box input::placeholder { color: var(--t-40); }
.search-box:focus-within { border-color: var(--accent); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--font-body); font-size: 0.84rem; font-weight: 600;
  color: var(--t-75); background: transparent;
  border: 1px solid var(--t-12); border-radius: 999px; padding: 8px 15px;
  cursor: pointer; transition: all .18s ease;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.is-active { background: var(--accent); color: var(--dark); border-color: var(--accent); }

.grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px;
}
.card {
  background: var(--mid);
  border: 1px solid var(--t-08);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(82,183,136,0.4);
  box-shadow: 0 18px 40px -22px rgba(0,0,0,0.7);
}
.card article { display: flex; flex-direction: column; height: 100%; }
.card-cover { position: relative; aspect-ratio: 16 / 9; background: var(--dark-2); overflow: hidden; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.card:hover .card-cover img { transform: scale(1.04); }
.card-type {
  position: absolute; top: 12px; left: 12px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--dark); background: var(--accent); padding: 5px 11px; border-radius: 999px;
}
.card-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-vertical { margin: 0; font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.card-title { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: 1.28rem; line-height: 1.18; color: var(--white); letter-spacing: -0.01em; }
.card-desc { margin: 0; font-size: 0.95rem; color: var(--t-55); flex: 1; }
.btn-download {
  margin-top: 8px; align-self: flex-start;
  background: transparent; color: var(--accent); border: 1px solid var(--accent);
}
.btn-download:hover { background: var(--accent); color: var(--dark); }
.btn-download svg { transition: transform .2s ease; }
.btn-download:hover svg { transform: translateY(2px); }

.no-results { text-align: center; color: var(--t-55); padding: 40px 0; font-size: 1.05rem; }

/* empty state */
.empty-state { text-align: center; padding: 60px 24px; border: 1px dashed var(--line); border-radius: var(--radius); background: rgba(82,183,136,0.04); }
.empty-mark { width: 56px; height: 56px; margin: 0 auto 20px; display: grid; place-items: center; background: #000; color: var(--accent-bright); border-radius: 12px; font-family: var(--font-display); font-weight: 800; font-size: 30px; }
.empty-state h3 { font-family: var(--font-display); color: var(--white); font-size: 1.4rem; margin: 0 0 8px; }
.empty-state p { color: var(--t-55); margin: 0 auto 24px; max-width: 42ch; }

/* ---------- FAQ ---------- */
.faq { padding: clamp(48px, 7vw, 80px) 0; background: linear-gradient(180deg, var(--dark), var(--dark-2)); border-top: 1px solid var(--t-08); }
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 820px; }
.faq-item { background: var(--mid); border: 1px solid var(--t-08); border-radius: var(--radius-sm); overflow: hidden; }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 20px 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-family: var(--font-display); font-weight: 600; font-size: 1.08rem; color: var(--white);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon { color: var(--accent); font-size: 1.5rem; line-height: 1; transition: transform .2s ease; }
.faq-item[open] .faq-icon { transform: rotate(45deg); }
.faq-item p { margin: 0; padding: 0 22px 22px; color: var(--t-75); font-size: 0.98rem; }

/* ---------- CTA band ---------- */
.cta-band {
  padding: clamp(48px, 7vw, 84px) 0;
  background:
    radial-gradient(80% 140% at 100% 0%, rgba(82,183,136,0.18), transparent 60%),
    var(--mid);
  border-top: 1px solid var(--line);
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-inner > div { flex: 1 1 420px; }
.cta-inner .section-title { margin: 0 0 12px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--dark-2); border-top: 1px solid var(--t-08); padding: 48px 0 28px; }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; padding-bottom: 28px; border-bottom: 1px solid var(--t-08); }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-name { font-family: var(--font-display); font-weight: 800; color: var(--white); font-size: 1.2rem; margin: 0; }
.footer-tag { margin: 2px 0 0; color: var(--t-55); font-size: 0.92rem; }
.footer-contact { display: flex; flex-direction: column; gap: 4px; text-align: right; }
.footer-contact a, .footer-contact span { color: var(--t-75); font-size: 0.95rem; }
.footer-contact a:hover { color: var(--accent); }
.footer-base { display: flex; justify-content: space-between; padding-top: 22px; font-size: 0.85rem; color: var(--t-40); flex-wrap: wrap; gap: 10px; }

/* ---------- Modal ---------- */
/* Browser default [hidden] uses display:none, but .modal-overlay sets
   display:grid below — which would normally win on specificity tie.
   This rule restores the hidden behaviour when the attribute is set. */
.modal-overlay[hidden] { display: none; }

.modal-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(7, 22, 14, 0.72); backdrop-filter: blur(6px);
  display: grid; place-items: center; padding: 20px;
  animation: fade .2s ease;
}
@keyframes fade { from { opacity: 0; } }
.modal {
  position: relative; width: 100%; max-width: 440px;
  background: var(--mid); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 32px 30px;
  animation: pop .25s cubic-bezier(.2,.8,.3,1.2);
}
@keyframes pop { from { opacity: 0; transform: translateY(16px) scale(.98); } }
.modal-close {
  position: absolute; top: 14px; right: 16px;
  background: transparent; border: 0; color: var(--t-55); font-size: 28px; line-height: 1; cursor: pointer;
}
.modal-close:hover { color: var(--white); }
.modal-title { font-family: var(--font-display); font-weight: 800; color: var(--white); font-size: 1.5rem; margin: 6px 0 4px; letter-spacing: -0.01em; }
.modal-doc { color: var(--t-55); font-size: 0.95rem; margin: 0 0 22px; }
.field { display: block; margin-bottom: 16px; }
.field > span { display: block; font-size: 0.85rem; font-weight: 600; color: var(--t-75); margin-bottom: 7px; }
.field em { color: var(--t-40); font-style: normal; font-weight: 400; }
.field input {
  width: 100%; background: var(--dark); border: 1px solid var(--t-12); border-radius: var(--radius-sm);
  padding: 13px 14px; color: var(--white); font-family: var(--font-body); font-size: 0.98rem; outline: 0;
  transition: border-color .18s ease;
}
.field input::placeholder { color: var(--t-40); }
.field input:focus { border-color: var(--accent); }
.consent { display: flex; gap: 10px; align-items: flex-start; margin: 4px 0 18px; font-size: 0.85rem; color: var(--t-55); cursor: pointer; }
.consent input { margin-top: 3px; accent-color: var(--accent); }
.form-error { color: #ffb4a8; font-size: 0.88rem; margin: 0 0 14px; }
.form-note { text-align: center; color: var(--t-40); font-size: 0.82rem; margin: 14px 0 0; }
.btn-primary[aria-busy="true"] { opacity: .7; pointer-events: none; }
.success-check { width: 56px; height: 56px; margin: 0 auto 16px; display: grid; place-items: center; background: var(--accent); color: var(--dark); border-radius: 50%; font-size: 28px; font-weight: 800; }
#step-success { text-align: center; }
#dev-preview { margin: 18px 0 8px; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .header-nav { gap: 14px; }
  .header-nav > a:not(.btn) { display: none; }
  .brand-eyebrow, .brand-sep { display: none; }
  .footer-contact { text-align: left; }
  .grid { grid-template-columns: 1fr; }
}

/* ===========================================================================
   Per-document share page  (added when share feature was introduced)
   =========================================================================== */

/* Card actions row — Download + share icon on the hub cards */
.card-actions { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.card-actions .btn-download { margin-top: 0; }
.btn-share-icon {
  display: inline-grid; place-items: center; width: 38px; height: 38px;
  border-radius: 8px; border: 1px solid var(--t-12); color: var(--t-75);
  background: transparent; transition: all .18s ease; flex-shrink: 0;
}
.btn-share-icon:hover { border-color: var(--accent); color: var(--accent); }

/* Card title is now a link — keep it visually consistent */
.card-title a { color: inherit; text-decoration: none; transition: color .18s ease; }
.card-title a:hover { color: var(--accent); }

/* Breadcrumb */
.breadcrumb { padding: 22px 0 0; font-size: 0.88rem; }
.breadcrumb .wrap { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.breadcrumb a { color: var(--t-75); font-weight: 500; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--t-25); }
.breadcrumb .current { color: var(--t-55); }

/* Document hero */
.doc-hero {
  padding: clamp(36px, 6vw, 72px) 0 clamp(40px, 6vw, 80px);
  background:
    radial-gradient(110% 80% at 90% -10%, rgba(82,183,136,0.18), transparent 55%),
    var(--dark);
}
.doc-hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 5vw, 60px); align-items: center;
}
.doc-meta .eyebrow { margin-bottom: 18px; }
.doc-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2rem, 4.4vw, 3.2rem); line-height: 1.05;
  letter-spacing: -0.02em; color: var(--white); margin: 0 0 18px;
}
.doc-desc {
  font-size: clamp(1.02rem, 1.4vw, 1.18rem);
  color: var(--t-75); margin: 0 0 18px; max-width: 56ch;
}
.doc-vertical {
  font-size: 0.88rem; color: var(--t-55); margin: 0 0 28px;
}
.doc-vertical strong { color: var(--accent); font-weight: 600; }
.doc-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.doc-cover-wrap {
  margin: 0; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--t-08);
  box-shadow: 0 24px 56px -28px rgba(0,0,0,0.7);
}
.doc-cover-wrap img { width: 100%; height: auto; display: block; }

/* Share section */
.share-section {
  padding: clamp(48px, 7vw, 80px) 0;
  background: linear-gradient(180deg, var(--dark), var(--dark-2));
  border-top: 1px solid var(--t-08); border-bottom: 1px solid var(--t-08);
}
.share-head { max-width: 60ch; margin-bottom: 30px; }
.share-head .section-title { margin: 4px 0 12px; }

.share-buttons {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px;
}
.share-btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 18px; border-radius: 999px;
  background: var(--mid); border: 1px solid var(--t-08);
  color: var(--t-90); font-weight: 600; font-size: 0.92rem;
  cursor: pointer; transition: all .18s ease;
  font-family: var(--font-body);
}
.share-btn:hover {
  border-color: var(--accent); color: var(--accent);
  background: rgba(82,183,136,0.08); transform: translateY(-1px);
}
.share-btn svg { flex-shrink: 0; }
.share-btn.is-copied { border-color: var(--accent); color: var(--accent); background: rgba(82,183,136,0.12); }

.share-url-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--dark-2); border: 1px solid var(--t-08); border-radius: var(--radius-sm);
  padding: 6px; max-width: 600px;
}
.share-url-row input {
  flex: 1; background: transparent; border: 0; outline: 0;
  color: var(--t-90); font-family: var(--font-body); font-size: 0.92rem;
  padding: 8px 10px; min-width: 0;
}
.share-url-row input:focus { color: var(--white); }

/* More-reports section */
.more-section { padding: clamp(48px, 7vw, 80px) 0; }
.more-section .grid { margin-bottom: 30px; }
.more-cta { display: flex; justify-content: center; }

/* Responsive */
@media (max-width: 820px) {
  .doc-hero-grid { grid-template-columns: 1fr; }
  .doc-cover-wrap { order: -1; max-width: 520px; margin: 0 auto; }
  .doc-actions .btn { width: 100%; }
}
@media (max-width: 520px) {
  .share-btn span { display: none; }
  .share-btn { padding: 11px; }
}