/* ============================================================================
   Verda Tools — design system
   Faithful to the Verda·convert handoff: calm green, DM Sans + JetBrains Mono.
   ============================================================================ */

:root {
  /* surfaces */
  --bg: #f5f6f8;
  --card: #ffffff;
  --card-soft: #f8faf9;
  --card-soft2: #f8f9fb;

  /* borders */
  --line: #e5e7eb;
  --line-2: #e8eaee;
  --line-3: #eef0f3;

  /* text */
  --ink: #1a1f29;
  --ink-2: #5b6471;
  --ink-3: #6b7280;
  --muted: #9099a6;
  --muted-2: #b3b9c2;

  /* brand green */
  --green: #16a34a;
  --green-deep: #15803d;
  --green-bright: #22c55e;
  --green-soft-bg: #f0fdf4;
  --green-soft-bg2: #dcfce7;
  --green-soft-border: #bbf7d0;
  --green-text-soft: #3f9d63;

  /* alert */
  --amber: #dc6803;

  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 22px;

  --shadow-card: 0 24px 60px -28px rgba(20, 40, 30, .35);
  --shadow-card-sm: 0 12px 28px -16px rgba(20, 40, 30, .3);
  --shadow-btn: 0 8px 20px -8px rgba(22, 163, 74, .65);
  --shadow-cta: 0 24px 56px -24px rgba(22, 163, 74, .6);

  --maxw: 1120px;
  --font: 'DM Sans', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1000px 600px at 80% -12%, #dcfce7 0%, rgba(220, 252, 231, 0) 56%),
    radial-gradient(820px 560px at -10% 104%, #ecfdf5 0%, rgba(236, 253, 245, 0) 52%),
    var(--bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
input::placeholder { color: #c2c8d0; }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: #d7dbe2; border-radius: 6px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.narrow { max-width: 760px; margin: 0 auto; padding: 0 32px; }

/* ─── Header / nav ─────────────────────────────────────────────────────── */
.site-header {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 22px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark {
  width: 36px; height: 36px; flex: none; border-radius: 10px;
  background: linear-gradient(145deg, var(--green-bright), var(--green-deep));
  color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 10px -3px rgba(22, 163, 74, .5);
}
.brand-name { font-size: 16px; font-weight: 700; letter-spacing: -.3px; }
.brand-name .dot { color: var(--green); }
.brand-sub { font-size: 11px; color: var(--muted); letter-spacing: .5px; }

.nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.nav a {
  font-size: 14px; font-weight: 500; color: var(--ink-2);
  padding: 9px 14px; border-radius: 9px;
}
.nav a:hover { background: var(--green-soft-bg); color: var(--green-deep); }
.nav a.active { color: var(--green); background: var(--green-soft-bg); font-weight: 600; }
.nav a.cta {
  font-weight: 600; color: #fff; background: var(--green); margin-left: 6px;
  box-shadow: 0 4px 12px -4px rgba(22, 163, 74, .6);
}
.nav a.cta:hover { background: var(--green-deep); color: #fff; }

/* ─── Generic layout pieces ────────────────────────────────────────────── */
main { display: block; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--green-soft-bg); border: 1px solid var(--green-soft-border);
  color: var(--green-deep); font-size: 12px; font-weight: 600; letter-spacing: .3px;
  padding: 7px 13px; border-radius: 999px;
}
.eyebrow {
  font-size: 11px; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
}
h1 { font-weight: 700; letter-spacing: -.4px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 600; padding: 14px 24px; border-radius: 12px;
  cursor: pointer; border: 1px solid transparent;
}
.btn-primary { background: var(--green); color: #fff; box-shadow: var(--shadow-btn); }
.btn-primary:hover { background: var(--green-deep); }
.btn-ghost { background: #fff; border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--green-soft-border); }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 18px;
}

/* ─── Tool page layout ─────────────────────────────────────────────────── */
.tool-shell { max-width: 720px; margin: 0 auto; padding: 8px 32px 40px; }
.tool-breadcrumb { font-size: 13px; color: var(--muted); margin: 4px 0 26px; }
.tool-breadcrumb a:hover { color: var(--green); }
.tool-head .eyebrow { display: block; }
.tool-head h1 { font-size: 30px; margin: 8px 0 6px; }
.tool-head p.lede { font-size: 15px; color: var(--ink-3); margin: 0 0 26px; line-height: 1.6; }

.tool-widget { max-width: 580px; }

/* labels / inputs shared by widgets */
.fieldlabel {
  font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
}
.bignum {
  width: 100%; border: none; background: transparent; outline: none;
  color: var(--ink); font-family: var(--mono); font-size: 31px; font-weight: 700; padding: 0;
}
.bignum.smaller { font-size: 27px; }
.result-green { font-family: var(--mono); font-weight: 700; color: var(--green); }
.swap-divider { display: flex; align-items: center; gap: 14px; margin: 12px 2px; }
.swap-divider .ln { flex: 1; height: 1px; background: var(--line); }
.swap-btn {
  width: 38px; height: 38px; border-radius: 11px; border: 1px solid var(--line);
  background: #fff; color: var(--green); cursor: pointer; font-size: 17px;
}
.swap-btn:hover { background: var(--green-soft-bg); border-color: var(--green); }
.note { margin-top: 16px; font-size: 13px; color: var(--muted); line-height: 1.5; }
.note.mono { font-family: var(--mono); }
.note.warn { color: var(--amber); }

select.verda-select {
  font-family: var(--font); font-size: 14px; font-weight: 600; color: var(--ink);
  border: 1px solid var(--line); border-radius: 9px; padding: 8px 12px;
  background: var(--card-soft2); outline: none; cursor: pointer;
}
.seg {
  display: inline-flex; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 3px; gap: 2px;
}
.seg button {
  border: none; background: transparent; color: #8a93a0; font-family: var(--mono);
  font-size: 12px; font-weight: 700; padding: 6px 12px; border-radius: 8px;
  cursor: pointer; transition: all .15s;
}
.seg button.on { background: var(--green); color: #fff; }

.out-rows { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.out-row { display: flex; justify-content: space-between; align-items: center; padding: 15px 18px; }
.out-row + .out-row { border-top: 1px solid var(--line-3); }
.out-row .k { font-size: 14px; color: var(--ink-3); }
.out-row .v { font-family: var(--mono); font-size: 18px; font-weight: 700; }
.out-row .v.green { color: var(--green); }

.statgrid { display: flex; gap: 10px; flex-wrap: wrap; }
.statbox { flex: 1; min-width: 90px; background: #fff; border: 1px solid var(--line); border-radius: 11px; padding: 14px; text-align: center; }
.statbox .l { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.statbox .v { font-family: var(--mono); font-weight: 700; font-size: 18px; margin-top: 4px; }

.bar { position: relative; height: 12px; background: #f1f3f5; border-radius: 999px; overflow: hidden; }
.bar .fill { height: 100%; background: var(--green); border-radius: 999px; transition: width .2s; }
.bar-scale { display: flex; justify-content: space-between; margin-top: 8px; font-family: var(--mono); font-size: 11px; color: var(--muted-2); }

.bigresult {
  background: var(--green-soft-bg); border: 1px solid var(--green-soft-border);
  border-radius: var(--radius); padding: 24px; text-align: center;
}
.bigresult .v { font-family: var(--mono); font-size: 38px; font-weight: 700; color: var(--green); letter-spacing: -1px; }
.bigresult .u { font-size: 13px; color: var(--ink-3); margin-top: 4px; }

/* ─── SEO content blocks below the tool ────────────────────────────────── */
.tool-content { max-width: 720px; margin: 56px auto 0; }
.tool-content h2 { font-size: 22px; font-weight: 700; letter-spacing: -.4px; margin: 40px 0 14px; }
.tool-content h3 { font-size: 17px; font-weight: 700; margin: 24px 0 8px; }
.tool-content p { font-size: 15.5px; line-height: 1.7; color: var(--ink-2); margin: 0 0 14px; }
.tool-content ul, .tool-content ol { font-size: 15.5px; line-height: 1.7; color: var(--ink-2); padding-left: 22px; margin: 0 0 14px; }
.tool-content li { margin-bottom: 6px; }
.tool-content table { width: 100%; border-collapse: collapse; margin: 8px 0 18px; font-size: 14.5px; }
.tool-content th, .tool-content td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line-3); }
.tool-content th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.tool-content td { font-family: var(--mono); }

.faq details {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 20px; margin-bottom: 10px;
}
.faq summary { font-weight: 700; cursor: pointer; font-size: 16px; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--green); font-weight: 700; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 12px 0 0; color: var(--ink-3); font-size: 15px; }

.related { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 8px; }
.related a {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; transition: all .16s ease;
}
.related a:hover { border-color: var(--green-soft-border); box-shadow: var(--shadow-card-sm); transform: translateY(-2px); }
.related .rname { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.related .rdesc { font-size: 13px; color: var(--ink-3); line-height: 1.5; }

.searches { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.search-chip {
  display: inline-block; padding: 7px 13px; border-radius: 999px;
  background: var(--green-soft-bg); border: 1px solid var(--green-soft-border);
  color: var(--green-deep); font-size: 13.5px; font-weight: 600;
}

/* ─── Home / hub ───────────────────────────────────────────────────────── */
.hero { display: grid; grid-template-columns: 1fr 420px; gap: 56px; align-items: center; padding: 60px 0 56px; }
.hero h1 { font-size: 54px; line-height: 1.05; letter-spacing: -1.6px; margin: 22px 0 18px; text-wrap: balance; }
.hero p.lede { font-size: 18px; line-height: 1.6; color: var(--ink-2); margin: 0; max-width: 520px; }
.hero-cta { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }

.preview-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-card); }
.preview-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.preview-dots { display: flex; gap: 5px; }
.preview-dots span { width: 9px; height: 9px; border-radius: 99px; background: var(--green-soft-bg2); }
.preview-dots span:first-child { background: var(--green-bright); }
.preview-box { background: var(--card-soft); border: 1px solid var(--line-3); border-radius: var(--radius); padding: 14px 16px; }
.preview-box.out { background: var(--green-soft-bg); border-color: var(--green-soft-border); }
.preview-box .pv { font-family: var(--mono); font-size: 30px; font-weight: 700; margin-top: 2px; }
.preview-box.out .pv { color: var(--green); }

.section-head { display: flex; align-items: baseline; justify-content: space-between; margin: 4px 0 22px; gap: 16px; flex-wrap: wrap; }
.section-head h2 { font-size: 24px; font-weight: 700; letter-spacing: -.5px; margin: 0; }
.cat-title { font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); font-weight: 700; margin: 48px 0 16px; }

.tools-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tool-card {
  display: block; background: #fff; border: 1px solid var(--line);
  border-radius: 16px; padding: 22px 22px 24px; transition: all .16s ease;
}
.tool-card:hover { border-color: var(--green-soft-border); box-shadow: var(--shadow-card-sm); transform: translateY(-2px); }
.tool-card .cardtop { display: flex; align-items: center; gap: 12px; }
.tool-card .tag {
  width: 38px; height: 30px; flex: none; display: flex; align-items: center; justify-content: center;
  border-radius: 8px; font-family: var(--mono); font-size: 12px; font-weight: 700;
}
.tool-card .cat { font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.tool-card .name { font-size: 18px; font-weight: 700; margin: 16px 0 6px; letter-spacing: -.3px; }
.tool-card .desc { font-size: 14px; line-height: 1.55; color: var(--ink-3); }

.feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 64px; }
.feat { display: flex; gap: 14px; align-items: flex-start; }
.feat .ico { width: 42px; height: 42px; flex: none; border-radius: 11px; background: var(--green-soft-bg); color: var(--green); display: flex; align-items: center; justify-content: center; font-size: 19px; }
.feat .ft { font-size: 15px; font-weight: 700; margin-bottom: 5px; }
.feat .fb { font-size: 13.5px; line-height: 1.55; color: var(--ink-3); }

.cta-band {
  margin-top: 72px; background: linear-gradient(135deg, var(--green), var(--green-deep));
  border-radius: var(--radius-xl); padding: 56px 48px; text-align: center; color: #fff;
  box-shadow: var(--shadow-cta);
}
.cta-band h2 { font-size: 32px; font-weight: 700; letter-spacing: -.7px; margin: 0 0 12px; }
.cta-band p { font-size: 16px; line-height: 1.55; color: var(--green-soft-bg2); margin: 0 auto 28px; max-width: 460px; }
.cta-band .btn { background: #fff; color: var(--green-deep); box-shadow: none; }

/* ─── About ────────────────────────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 24px 22px; }
.stat-card .sv { font-family: var(--mono); font-size: 30px; font-weight: 700; color: var(--green); letter-spacing: -1px; }
.stat-card .sl { font-size: 13px; color: var(--ink-3); margin-top: 6px; line-height: 1.4; }

/* ─── Comments / feedback form ─────────────────────────────────────────── */
.comment-form { padding: 26px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%; font-family: var(--font); font-size: 15px; color: var(--ink);
  border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px;
  background: #fff; outline: none; transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field textarea:focus {
  border-color: var(--green); box-shadow: 0 0 0 3px rgba(22, 163, 74, .12);
}
.field textarea { min-height: 150px; resize: vertical; line-height: 1.5; }
.comment-form .btn { margin-top: 2px; }
.form-note { font-size: 12.5px; color: var(--muted); margin: 14px 0 0; line-height: 1.5; }
.form-ok {
  background: var(--green-soft-bg); border: 1px solid var(--green-soft-border);
  color: var(--green-deep); font-weight: 600; padding: 18px 20px; border-radius: 14px;
}

/* ─── Comments wall (YouTube-style) ────────────────────────────────────── */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.composer { padding: 18px; }
.composer-row { display: flex; gap: 14px; align-items: flex-start; }
.composer-av { flex: none; }
.composer-name {
  width: 100%; border: none; border-bottom: 1px solid var(--line); background: transparent;
  font-family: var(--font); font-size: 14px; font-weight: 600; color: var(--ink);
  padding: 4px 0; outline: none; margin-bottom: 8px;
}
.composer-name:focus { border-color: var(--green); }
.composer-text {
  width: 100%; border: none; border-bottom: 1px solid var(--line); background: transparent;
  font-family: var(--font); font-size: 15px; color: var(--ink); line-height: 1.55;
  padding: 8px 0; outline: none; resize: vertical; min-height: 44px;
}
.composer-text:focus { border-color: var(--green); }
.composer-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; }
.composer-actions .btn { padding: 9px 18px; font-size: 14px; }

.cmt-count { font-size: 16px; font-weight: 700; color: var(--ink); }
.cmt-list { display: flex; flex-direction: column; gap: 22px; }
.cmt { display: flex; gap: 14px; align-items: flex-start; }
.cmt-av {
  flex: none; width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 17px; background: var(--green);
  font-family: var(--font); user-select: none;
}
.cmt-body { flex: 1; min-width: 0; }
.cmt-head { display: flex; align-items: baseline; gap: 9px; margin-bottom: 3px; flex-wrap: wrap; }
.cmt-name { font-size: 13.5px; font-weight: 700; color: var(--ink); }
.cmt-time { font-size: 12px; color: var(--muted); }
.cmt-text { font-size: 15px; line-height: 1.55; color: var(--ink); white-space: pre-wrap; word-wrap: break-word; overflow-wrap: anywhere; }
.cmt-empty { padding: 8px 0; }

/* ─── Footer ───────────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--line-2); background: #fff; margin-top: 80px; }
.site-footer .inner {
  max-width: var(--maxw); margin: 0 auto; padding: 28px 32px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.site-footer .fbrand { display: flex; align-items: center; gap: 10px; }
.site-footer .fbrand .m { width: 26px; height: 26px; flex: none; border-radius: 8px; background: linear-gradient(145deg, var(--green-bright), var(--green-deep)); display: flex; align-items: center; justify-content: center; }
.site-footer .flinks { display: flex; gap: 20px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.site-footer .flinks a:hover { color: var(--green); }

/* ─── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding: 40px 0; }
  .hero h1 { font-size: 40px; }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .feats { grid-template-columns: 1fr; gap: 22px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .related { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .wrap, .narrow { padding: 0 20px; }
  .tool-shell { padding: 4px 20px 32px; }
  .site-header { padding: 18px 20px; flex-wrap: wrap; }
  .hero h1 { font-size: 33px; letter-spacing: -1px; }
  .tools-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 24px; }
  .brand-sub { display: none; }
}