/* ═══════════════════════════════════════════
   DCN Design System — Shared Styles
   Digital Cooperation Nepal
   ═══════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Anek+Devanagari:wdth,wght@75..125,100..800&family=Anek+Latin:wdth,wght@75..125,100..800&display=swap');

:root {
  --sage:        #6B8F71;
  --sage-light:  #A8C4AC;
  --sage-pale:   #EBF2EC;
  --sand:        #F5F0E8;
  --sand-deep:   #E8DFD0;
  --terra:       #C47C5A;
  --terra-soft:  #E8B49A;
  --slate:       #2C3E50;
  --slate-mid:   #4A5568;
  --slate-dim:   #718096;
  --white:       #FAFAF8;
  --sky:         #7BA7BC;
  --sky-pale:    #D4E8F2;
  --gold:        #D4A853;
  --success:     #4CAF7D;
  --warn:        #E8A44A;

  --font-display: 'Anek Latin', sans-serif;
  --font-body:    'Anek Latin', sans-serif;
  --font-ui:      'Anek Latin', sans-serif;

  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --shadow-sm:  0 2px 8px rgba(44,62,80,0.08);
  --shadow-md:  0 8px 24px rgba(44,62,80,0.12);
  --shadow-lg:  0 20px 50px rgba(44,62,80,0.15);
  --transition: 0.25s ease;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body { background:var(--white); color:var(--slate); font-family:var(--font-body); line-height:1.65; overflow-x:hidden; }
img { max-width:100%; display:block; }
a { color:inherit; }

/* ─── NAV ─── */
.dcn-nav {
  position:fixed; top:0; left:0; right:0; z-index:200;
  display:flex; align-items:center; justify-content:space-between;
  padding:1rem 4rem;
  background:rgba(250,250,248,0.94);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--sand-deep);
  transition:box-shadow var(--transition);
}
.dcn-nav.scrolled { box-shadow:var(--shadow-sm); }
.nav-logo { display:flex; align-items:center; gap:0.8rem; text-decoration:none; }
.nav-logo .acronym { font-family:var(--font-display); font-size:1.35rem; color:var(--slate); line-height:1; }
.nav-logo .fullname { font-size:0.58rem; letter-spacing:0.16em; color:var(--slate-dim); text-transform:uppercase; font-family:var(--font-ui); margin-top:2px; }
.nav-menu { display:flex; align-items:center; gap:2rem; }
.nav-menu a { font-size:0.82rem; color:var(--slate-mid); text-decoration:none; font-family:var(--font-ui); font-weight:500; transition:color var(--transition); position:relative; }
.nav-menu a.active, .nav-menu a:hover { color:var(--sage); }
.nav-menu a.active::after { content:''; position:absolute; bottom:-4px; left:0; right:0; height:2px; background:var(--sage); border-radius:2px; }
.nav-cta { background:var(--sage) !important; color:#fff !important; padding:0.5rem 1.3rem; border-radius:100px; font-weight:600 !important; }
.nav-cta:hover { background:#4e6e54 !important; }
.nav-mobile-toggle { display:none; background:none; border:none; cursor:pointer; font-size:1.4rem; color:var(--slate); }

/* ─── PAGE HEADER ─── */
.page-hero {
  padding:9rem 4rem 5rem;
  background:linear-gradient(160deg, var(--sage-pale) 0%, var(--white) 60%, var(--sky-pale) 100%);
  border-bottom:1px solid var(--sand-deep);
}
.page-hero .eyebrow { font-family:var(--font-ui); font-size:0.7rem; letter-spacing:0.18em; text-transform:uppercase; color:var(--sage); font-weight:500; margin-bottom:0.7rem; display:flex; align-items:center; gap:0.5rem; }
.page-hero .eyebrow::before { content:''; width:24px; height:1px; background:var(--sage); }
.page-hero h1 { font-family:var(--font-display); font-size:clamp(2.2rem,4vw,3.5rem); color:var(--slate); line-height:1.1; margin-bottom:1rem; font-weight:400; }
.page-hero h1 em { color:var(--terra); font-style:italic; }
.page-hero p { font-size:1rem; color:var(--slate-dim); max-width:560px; line-height:1.8; }

/* ─── BUTTONS ─── */
.btn { display:inline-flex; align-items:center; gap:0.5rem; text-decoration:none; border:none; cursor:pointer; font-family:var(--font-ui); font-weight:600; font-size:0.85rem; border-radius:100px; transition:all var(--transition); padding:0.8rem 1.8rem; }
.btn-primary { background:var(--slate); color:#fff; }
.btn-primary:hover { background:var(--sage); transform:translateY(-2px); }
.btn-sage { background:var(--sage); color:#fff; }
.btn-sage:hover { background:#4e6e54; transform:translateY(-2px); }
.btn-soft { background:var(--sage-pale); color:var(--sage); }
.btn-soft:hover { background:var(--sand-deep); transform:translateY(-2px); }
.btn-outline { background:transparent; color:var(--sage); border:1.5px solid var(--sage); }
.btn-outline:hover { background:var(--sage-pale); }
.btn-terra { background:var(--terra); color:#fff; }
.btn-terra:hover { background:#a8623d; transform:translateY(-2px); }
.btn-sm { padding:0.5rem 1.2rem; font-size:0.78rem; }

/* ─── CARDS ─── */
.card { background:var(--white); border:1px solid var(--sand-deep); border-radius:var(--radius-md); padding:1.8rem; transition:all var(--transition); }
.card:hover { box-shadow:var(--shadow-md); transform:translateY(-4px); border-color:var(--sage-light); }

/* ─── FORM ELEMENTS ─── */
.form-group { margin-bottom:1.4rem; }
.form-label { display:block; font-size:0.8rem; font-weight:500; color:var(--slate-mid); margin-bottom:0.4rem; font-family:var(--font-ui); letter-spacing:0.04em; }
.form-input, .form-select, .form-textarea {
  width:100%; padding:0.75rem 1rem;
  background:var(--white); border:1.5px solid var(--sand-deep);
  border-radius:var(--radius-sm); color:var(--slate);
  font-family:var(--font-body); font-size:0.9rem;
  transition:border-color var(--transition), box-shadow var(--transition);
  outline:none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color:var(--sage); box-shadow:0 0 0 3px rgba(107,143,113,0.12); }
.form-textarea { resize:vertical; min-height:100px; }
.form-input::placeholder, .form-textarea::placeholder { color:var(--slate-dim); }

/* ─── BADGES ─── */
.badge { display:inline-flex; align-items:center; gap:0.3rem; font-size:0.67rem; font-family:var(--font-ui); font-weight:600; letter-spacing:0.08em; text-transform:uppercase; padding:0.22rem 0.65rem; border-radius:100px; }
.badge-sage { background:var(--sage-pale); color:var(--sage); }
.badge-terra { background:#f5e6df; color:var(--terra); }
.badge-sky { background:var(--sky-pale); color:var(--sky); }
.badge-gold { background:#fdf3e0; color:var(--gold); }
.badge-success { background:#e6f7ef; color:var(--success); }
.badge-warn { background:#fdf0e0; color:var(--warn); }

/* ─── SECTION ─── */
.section { padding:5rem 4rem; }
.section-alt { background:var(--sand); }
.section-sage { background:var(--sage-pale); }
.eyebrow { font-family:var(--font-ui); font-size:0.7rem; letter-spacing:0.18em; text-transform:uppercase; color:var(--sage); font-weight:500; margin-bottom:0.7rem; display:flex; align-items:center; gap:0.5rem; }
.eyebrow::before { content:''; width:24px; height:1px; background:var(--sage); }
.section-h { font-family:var(--font-display); font-size:clamp(1.8rem,3vw,2.8rem); color:var(--slate); line-height:1.15; font-weight:400; margin-bottom:0.8rem; }
.section-h em { color:var(--terra); font-style:italic; }
.section-p { color:var(--slate-dim); font-size:0.93rem; max-width:520px; line-height:1.85; }

/* ─── TABS ─── */
.tabs { display:flex; gap:0; border-bottom:2px solid var(--sand-deep); margin-bottom:2rem; overflow-x:auto; }
.tab-btn { padding:0.8rem 1.4rem; background:none; border:none; cursor:pointer; font-family:var(--font-ui); font-size:0.83rem; font-weight:500; color:var(--slate-dim); border-bottom:2px solid transparent; margin-bottom:-2px; transition:all var(--transition); white-space:nowrap; }
.tab-btn.active { color:var(--sage); border-bottom-color:var(--sage); }
.tab-btn:hover { color:var(--slate); }
.tab-panel { display:none; }
.tab-panel.active { display:block; }

/* ─── PROGRESS ─── */
.progress-bar { background:var(--sand-deep); border-radius:100px; height:8px; overflow:hidden; }
.progress-fill { height:100%; background:linear-gradient(90deg,var(--sage),var(--sky)); border-radius:100px; transition:width 0.6s ease; }
.progress-fill.terra { background:linear-gradient(90deg,var(--terra),var(--gold)); }

/* ─── ALERTS ─── */
.alert { padding:1rem 1.2rem; border-radius:var(--radius-sm); font-size:0.85rem; display:flex; align-items:flex-start; gap:0.6rem; margin-bottom:1rem; }
.alert-success { background:#e6f7ef; color:#2d7a50; border-left:3px solid var(--success); }
.alert-warn { background:#fdf0e0; color:#8a5a1a; border-left:3px solid var(--warn); }
.alert-info { background:var(--sky-pale); color:#3a6275; border-left:3px solid var(--sky); }

/* ─── FOOTER ─── */
.dcn-footer { padding:4rem 4rem 2rem; background:var(--slate); color:rgba(255,255,255,0.85); }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:3rem; margin-bottom:3rem; }
.footer-brand p { font-size:0.82rem; color:rgba(255,255,255,0.45); line-height:1.75; margin:0.8rem 0; max-width:270px; }
.footer-col h5 { font-size:0.68rem; letter-spacing:0.14em; text-transform:uppercase; margin-bottom:1.1rem; color:rgba(255,255,255,0.35); font-family:var(--font-ui); }
.footer-col a { display:block; font-size:0.82rem; color:rgba(255,255,255,0.55); text-decoration:none; margin-bottom:0.55rem; transition:color var(--transition); }
.footer-col a:hover { color:var(--sage-light); }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.08); padding-top:1.4rem; display:flex; justify-content:space-between; font-size:0.73rem; color:rgba(255,255,255,0.3); font-family:var(--font-ui); flex-wrap:wrap; gap:0.5rem; }
.footer-bottom a { color:var(--terra-soft); text-decoration:none; }
.footer-socials { display:flex; gap:0.5rem; margin-top:0.8rem; }
.fsoc { width:32px; height:32px; border-radius:6px; background:rgba(255,255,255,0.08); display:flex; align-items:center; justify-content:center; color:rgba(255,255,255,0.45); font-size:0.75rem; text-decoration:none; transition:all var(--transition); }
.fsoc:hover { background:var(--sage); color:#fff; }

/* ─── MODAL ─── */
.modal-overlay { position:fixed; inset:0; background:rgba(44,62,80,0.5); backdrop-filter:blur(4px); z-index:500; display:none; align-items:center; justify-content:center; padding:1rem; }
.modal-overlay.open { display:flex; }
.modal { background:var(--white); border-radius:var(--radius-lg); padding:2.5rem; max-width:540px; width:100%; max-height:90vh; overflow-y:auto; position:relative; box-shadow:var(--shadow-lg); }
.modal-close { position:absolute; top:1.2rem; right:1.2rem; background:var(--sand); border:none; width:32px; height:32px; border-radius:50%; cursor:pointer; font-size:1rem; display:flex; align-items:center; justify-content:center; color:var(--slate-dim); transition:all var(--transition); }
.modal-close:hover { background:var(--sand-deep); color:var(--slate); }

/* ─── TOAST ─── */
.toast-container { position:fixed; bottom:2rem; right:2rem; z-index:600; display:flex; flex-direction:column; gap:0.5rem; }
.toast { background:var(--slate); color:#fff; padding:0.85rem 1.3rem; border-radius:var(--radius-md); font-size:0.83rem; font-family:var(--font-ui); display:flex; align-items:center; gap:0.6rem; box-shadow:var(--shadow-lg); animation:toast-in 0.3s ease; max-width:320px; }
.toast.success { border-left:3px solid var(--success); }
.toast.warn { border-left:3px solid var(--warn); }
@keyframes toast-in { from{transform:translateX(100%);opacity:0} to{transform:translateX(0);opacity:1} }
@keyframes toast-out { from{transform:translateX(0);opacity:1} to{transform:translateX(100%);opacity:0} }

/* ─── LOADING SPINNER ─── */
.spinner { width:36px; height:36px; border:2.5px solid var(--sand-deep); border-top-color:var(--sage); border-radius:50%; animation:spin 0.8s linear infinite; margin:0 auto; }
@keyframes spin { to{transform:rotate(360deg)} }

/* ─── UTILITY ─── */
.text-center { text-align:center; }
.text-sage { color:var(--sage); }
.text-terra { color:var(--terra); }
.text-dim { color:var(--slate-dim); }
.flex { display:flex; }
.flex-center { display:flex; align-items:center; justify-content:center; }
.flex-between { display:flex; align-items:center; justify-content:space-between; }
.gap-1 { gap:0.5rem; }
.gap-2 { gap:1rem; }
.gap-3 { gap:1.5rem; }
.mt-1 { margin-top:0.5rem; }
.mt-2 { margin-top:1rem; }
.mt-3 { margin-top:1.5rem; }
.mb-2 { margin-bottom:1rem; }
.mb-3 { margin-bottom:1.5rem; }
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:1.2rem; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:1.2rem; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:1.2rem; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); }

/* ─── RESPONSIVE ─── */
@media (max-width:960px) {
  .dcn-nav { padding:1rem 1.5rem; }
  .nav-menu { display:none; flex-direction:column; position:fixed; inset:0; top:60px; background:var(--white); padding:2rem; gap:1.5rem; z-index:199; }
  .nav-menu.open { display:flex; }
  .nav-mobile-toggle { display:block; }
  .page-hero, .section { padding:7rem 1.5rem 3.5rem; }
  .section { padding:4rem 1.5rem; }
  .footer-grid { grid-template-columns:1fr; gap:2rem; }
  .footer-bottom { flex-direction:column; }
  .grid-2,.grid-3,.grid-4 { grid-template-columns:1fr; }
}

/* ─── LOGO SVG ─── */
.dcn-logo-svg { width:42px; height:42px; flex-shrink:0; }