/*
 * DIGISUTRA — SHARED STYLES
 * Import this in every page: <link rel="stylesheet" href="style.css"/>
 */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,400&display=swap');

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

:root {
  --bg:       #0b0f1a;
  --bg2:      #111827;
  --bg3:      #1a2234;
  --card:     #141c2e;
  --border:   rgba(255,255,255,0.07);
  --border2:  rgba(255,255,255,0.13);
  --text:     #f0f4ff;
  --muted:    #8b9cc8;
  --dim:      #566078;

  --blue:     #4f8eff;
  --purple:   #7c5cfc;
  --teal:     #2dd4bf;
  --orange:   #f97316;
  --green:    #22c55e;
  --red:      #ef4444;
  --yellow:   #eab308;
  --pink:     #ec4899;
  --amber:    #f59e0b;

  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --r:  12px;
  --r2: 18px;
  --r3: 24px;

  --nav-h: 60px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── NAVIGATION ─────────────────────────────────────────── */
.ds-nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(11,15,26,0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 2rem;
  gap: 2rem;
}
.ds-nav .logo {
  font-family: var(--font-head);
  font-size: 1.3rem; font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text); text-decoration: none;
  flex-shrink: 0;
}
.ds-nav .logo span { color: var(--blue); }
.ds-nav ul {
  display: flex; list-style: none;
  gap: 1.5rem; margin-left: auto;
}
.ds-nav ul a {
  color: var(--muted); text-decoration: none;
  font-size: 13.5px; font-weight: 500;
  transition: color .15s;
}
.ds-nav ul a:hover,
.ds-nav ul a.active { color: var(--text); }
.ds-nav .nav-cta {
  background: var(--blue); color: #fff;
  border: none; cursor: pointer;
  padding: 7px 18px; border-radius: 100px;
  font-size: 13px; font-weight: 600;
  font-family: var(--font-body);
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity .15s;
}
.ds-nav .nav-cta:hover { opacity: .85; }

/* ── FOOTER ─────────────────────────────────────────────── */
.ds-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 2.5rem 2rem;
  text-align: center;
}
.ds-footer .f-logo {
  font-family: var(--font-head);
  font-size: 1.1rem; font-weight: 800;
  color: var(--text);
}
.ds-footer .f-logo span { color: var(--blue); }
.ds-footer p {
  color: var(--dim); font-size: 13px; margin-top: .4rem;
}
.ds-footer .f-links {
  display: flex; justify-content: center; gap: 1.5rem;
  margin-top: .85rem; list-style: none;
}
.ds-footer .f-links a {
  color: var(--muted); font-size: 13px; text-decoration: none;
}
.ds-footer .f-links a:hover { color: var(--text); }

/* ── PAGE WRAPPER ───────────────────────────────────────── */
.page { flex: 1; max-width: 1180px; margin: 0 auto; padding: 3rem 2rem; width: 100%; }
.page-wide { flex: 1; max-width: 100%; padding: 3rem 2rem; }

/* ── BREADCRUMB ─────────────────────────────────────────── */
.breadcrumb {
  display: flex; align-items: center; gap: .4rem;
  font-size: 13px; color: var(--muted);
  margin-bottom: 2rem; flex-wrap: wrap;
}
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb .sep { color: var(--dim); }

/* ── PAGE HEADER ────────────────────────────────────────── */
.page-header { margin-bottom: 2.5rem; }
.page-tag {
  font-size: 11px; font-weight: 700;
  letter-spacing: 1.8px; text-transform: uppercase;
  color: var(--blue); margin-bottom: .5rem;
}
.page-title {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 800; letter-spacing: -1px;
  line-height: 1.15;
}
.page-sub {
  color: var(--muted); margin-top: .5rem;
  font-size: 15px; max-width: 560px;
}

/* ── TOOL CARDS GRID ────────────────────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 1.4rem 1.5rem;
  text-decoration: none;
  color: inherit;
  display: flex; flex-direction: column;
  transition: border-color .2s, transform .18s;
  position: relative; overflow: hidden;
}
.tool-card::after {
  content: '';
  position: absolute; inset: 0; top: auto;
  height: 2px;
  background: var(--card-color, var(--blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.tool-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.tool-card:hover::after { transform: scaleX(1); }

.tc-icon {
  width: 42px; height: 42px;
  border-radius: 11px;
  background: var(--icon-bg, rgba(79,142,255,0.1));
  display: flex; align-items: center; justify-content: center;
  font-size: 19px; margin-bottom: .9rem; flex-shrink: 0;
}
.tc-name {
  font-family: var(--font-head);
  font-size: .95rem; font-weight: 700;
  letter-spacing: -.2px; margin-bottom: .3rem;
}
.tc-desc { color: var(--muted); font-size: 13px; line-height: 1.5; flex: 1; }
.tc-meta {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: .85rem;
}
.tc-tag {
  font-size: 10.5px; font-weight: 600; letter-spacing: .5px;
  text-transform: uppercase; color: var(--dim);
  border: 1px solid var(--border); border-radius: 100px;
  padding: 2px 9px;
}
.tc-arrow { color: var(--dim); font-size: 14px; }
.tc-new {
  font-size: 10px; font-weight: 700; letter-spacing: .5px;
  text-transform: uppercase;
  background: rgba(34,197,94,0.12);
  color: var(--green);
  border: 1px solid rgba(34,197,94,0.25);
  border-radius: 100px; padding: 2px 8px;
}

/* ── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 22px; border-radius: 100px;
  font-family: var(--font-body); font-size: 14px; font-weight: 500;
  text-decoration: none; cursor: pointer; border: none;
  transition: opacity .15s, transform .12s;
}
.btn:hover { opacity: .85; transform: translateY(-1px); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-ghost {
  background: transparent; color: var(--muted);
  border: 1px solid var(--border2);
}
.btn-ghost:hover { color: var(--text); border-color: rgba(255,255,255,.25); }

/* ── TOOL PAGE LAYOUT ───────────────────────────────────── */
.tool-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 860px) {
  .tool-layout { grid-template-columns: 1fr; }
}

.tool-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r3);
  padding: 2rem;
}
.tool-panel h2 {
  font-family: var(--font-head);
  font-size: 1.2rem; font-weight: 700;
  letter-spacing: -.3px; margin-bottom: 1.5rem;
}

/* ── FORM ELEMENTS ──────────────────────────────────────── */
.field { margin-bottom: 1rem; }
.field label {
  display: block; font-size: 13px;
  color: var(--muted); font-weight: 500;
  margin-bottom: .4rem;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 10px 14px;
  border-radius: var(--r);
  font-family: var(--font-body);
  font-size: 14px; outline: none;
  transition: border-color .15s;
  -webkit-appearance: none;
}
.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--blue); }
.field textarea { min-height: 130px; resize: vertical; line-height: 1.6; }
.field select option { background: var(--bg2); }
.field .row { display: flex; gap: 10px; }
.field .row .field { flex: 1; margin-bottom: 0; }

.result-box {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1rem 1.25rem;
  font-size: 1.05rem; font-weight: 500;
  min-height: 50px; word-break: break-all;
}
.result-label {
  font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .5px;
  margin-bottom: .3rem;
}

.run-btn {
  width: 100%; background: var(--blue);
  color: #fff; border: none; cursor: pointer;
  padding: 12px; border-radius: var(--r);
  font-family: var(--font-head);
  font-size: 15px; font-weight: 700;
  margin-top: .5rem; transition: opacity .15s;
}
.run-btn:hover { opacity: .87; }
.run-btn.secondary {
  background: var(--bg3);
  color: var(--blue);
  border: 1px solid var(--border2);
}

/* ── SIDEBAR / RELATED ──────────────────────────────────── */
.related-title {
  font-size: 11px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1rem;
}
.related-list { display: flex; flex-direction: column; gap: 8px; }
.related-item {
  display: flex; align-items: center; gap: 10px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: .7rem 1rem;
  text-decoration: none; color: inherit;
  font-size: 13.5px; font-weight: 500;
  transition: border-color .15s;
}
.related-item:hover { border-color: var(--border2); }
.related-item .ri-icon { font-size: 16px; }
.related-item .ri-arrow { margin-left: auto; color: var(--dim); font-size: 13px; }

/* ── CATEGORY HUB CARDS ─────────────────────────────────── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.cat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r3);
  padding: 1.75rem;
  text-decoration: none; color: inherit;
  display: flex; flex-direction: column; gap: .5rem;
  transition: border-color .2s, transform .18s;
  position: relative; overflow: hidden;
}
.cat-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--cat-color, var(--blue));
  opacity: 0; transition: opacity .2s;
}
.cat-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.cat-card:hover::before { opacity: 1; }
.cat-card .cc-icon { font-size: 2rem; margin-bottom: .25rem; }
.cat-card .cc-name {
  font-family: var(--font-head);
  font-size: 1.1rem; font-weight: 700;
  letter-spacing: -.3px;
}
.cat-card .cc-desc { color: var(--muted); font-size: 13px; line-height: 1.5; }
.cat-card .cc-count {
  margin-top: .5rem; font-size: 12px;
  color: var(--dim); font-weight: 500;
}

/* ── MISC UTILS ─────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }

.badge {
  display: inline-block;
  font-size: 10.5px; font-weight: 700;
  letter-spacing: .5px; text-transform: uppercase;
  padding: 3px 9px; border-radius: 100px;
}
.badge-blue   { background: rgba(79,142,255,.12); color: var(--blue); border: 1px solid rgba(79,142,255,.25); }
.badge-green  { background: rgba(34,197,94,.12);  color: var(--green); border: 1px solid rgba(34,197,94,.25); }

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 600px) {
  .ds-nav { padding: 0 1rem; gap: 1rem; }
  .ds-nav ul { display: none; }
  .page { padding: 2rem 1rem; }
  .tools-grid { grid-template-columns: 1fr 1fr; }
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .tool-panel { padding: 1.25rem; }
}
@media (max-width: 420px) {
  .tools-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr; }
}