/* ImageTools website — shared stylesheet. No external dependencies. */

:root {
  --accent: #6366f1;
  --accent-2: #8b5cf6;
  --accent-grad: linear-gradient(135deg, #6366f1, #8b5cf6);
  --text: #1f2937;
  --muted: #6b7280;
  --bg: #ffffff;
  --surface: #f8fafc;
  --surface-2: #f1f5f9;
  --border: #e5e7eb;
  --code-bg: #0f172a;
  --code-text: #e2e8f0;
  --ok: #059669;
  --radius: 12px;
  --maxw: 1080px;
  --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 8px 24px rgba(15, 23, 42, .06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; }
img { height: auto; }

a { color: var(--accent); text-decoration: none; }
p a:not([class]) { overflow-wrap: anywhere; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .45rem .6rem;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text);
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: block;
  padding: .45rem .75rem;
  border-radius: 8px;
  color: var(--muted);
  font-weight: 500;
  text-decoration: none;
}
.site-nav a:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
.site-nav a.active { color: var(--accent); background: rgba(99, 102, 241, .08); }

.nav-cta {
  margin-left: .5rem;
  background: var(--accent-grad) !important;
  color: #fff !important;
  padding: .5rem .95rem !important;
}
.nav-cta:hover { opacity: .92; }

/* ---------- Hero ---------- */

.hero {
  padding: 4rem 0 3rem;
  background:
    radial-gradient(1000px 400px at 15% -10%, rgba(99, 102, 241, .12), transparent 60%),
    radial-gradient(800px 400px at 90% 0%, rgba(139, 92, 246, .10), transparent 55%),
    var(--bg);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 2.5rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 2.9rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.grad-text {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 1.75rem;
  max-width: 38rem;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.5rem;
}

.badge {
  display: inline-block;
  padding: .25rem .7rem;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: .8rem;
  font-weight: 600;
}

.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; }

.btn {
  display: inline-block;
  padding: .7rem 1.25rem;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: .95rem;
}
.btn:hover { text-decoration: none; opacity: .93; }
.btn-primary { background: var(--accent-grad); color: #fff; }
.btn-secondary { background: #fff; color: var(--text); border-color: var(--border); box-shadow: var(--shadow); }
.btn-secondary:hover { background: var(--surface); opacity: 1; }

.hero-art {
  display: flex;
  justify-content: center;
}

.hero-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 1.5rem;
  width: 100%;
  max-width: 320px;
}
.hero-card img { width: 120px; display: block; margin: 0 auto .75rem; }
.hero-card .meta { text-align: center; color: var(--muted); font-size: .9rem; }

/* ---------- Sections ---------- */

section { padding: 3rem 0; }
section.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-title {
  font-size: 1.75rem;
  letter-spacing: -0.01em;
  margin: 0 0 .5rem;
}
.section-sub { color: var(--muted); margin: 0 0 2rem; max-width: 44rem; }

h3 { font-size: 1.2rem; margin: 0 0 .5rem; }
h2 { letter-spacing: -0.01em; }

/* ---------- Grids & cards ---------- */

.grid {
  display: grid;
  gap: 1.25rem;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
}
.card p { margin: .4rem 0 0; color: var(--muted); font-size: .95rem; }
.card .icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(99, 102, 241, .1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  margin-bottom: .75rem;
}
.card.link-card { transition: transform .12s ease, box-shadow .12s ease; display: block; color: inherit; }
.card.link-card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(99, 102, 241, .4);
}
.card.link-card h3 { color: var(--accent); }
.card.link-card .arrow { font-weight: 700; }

/* ---------- Figures / screenshot placeholders ---------- */

figure.shot {
  margin: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.shot .frame {
  background: var(--surface-2);
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: .5rem;
  color: var(--muted);
  padding: 1.5rem;
}
.shot .frame img { width: 64px; opacity: .85; }
.shot figcaption {
  padding: .65rem 1rem;
  font-size: .85rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: #fff;
}

/* ---------- Prose / docs pages ---------- */

.doc-hero { padding-top: 3rem; padding-bottom: 1.5rem; }
.doc-hero h1 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); margin: 0 0 .75rem; letter-spacing: -0.02em; }
.doc-hero p { color: var(--muted); font-size: 1.1rem; margin: 0; max-width: 46rem; }

.prose h2 {
  font-size: 1.45rem;
  margin: 2.5rem 0 .75rem;
  padding-top: .5rem;
}
.prose h3 { margin: 1.75rem 0 .5rem; }
.prose p, .prose li { color: var(--text); }
.prose ul, .prose ol { padding-left: 1.4rem; }
.prose li { margin: .3rem 0; }
.prose li::marker { color: var(--accent); }

.note {
  border-left: 4px solid var(--accent);
  background: rgba(99, 102, 241, .06);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: .9rem 1.1rem;
  margin: 1.25rem 0;
  font-size: .95rem;
}
.note.warn { border-color: #d97706; background: rgba(217, 119, 6, .07); }
.note strong { display: block; margin-bottom: .15rem; }

/* ---------- Tables ---------- */

.table-wrap { overflow-x: auto; margin: 1.25rem 0; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .925rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
th, td {
  text-align: left;
  padding: .65rem .9rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { background: var(--surface-2); font-weight: 600; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
td code, p code, li code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .1rem .4rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: .85em;
  word-break: break-all;
}

/* ---------- Code blocks ---------- */

pre {
  position: relative;
  background: var(--code-bg);
  color: var(--code-text);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  overflow-x: auto;
  font-size: .875rem;
  line-height: 1.55;
  margin: 1rem 0 1.5rem;
}
pre code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
  white-space: pre;
}

.code-copy {
  position: absolute;
  top: .55rem;
  right: .55rem;
  background: rgba(255, 255, 255, .1);
  color: #cbd5e1;
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 7px;
  padding: .25rem .6rem;
  font-size: .75rem;
  font-weight: 600;
  cursor: pointer;
}
.code-copy:hover { background: rgba(255, 255, 255, .2); color: #fff; }
.code-copy.copied { background: rgba(5, 150, 105, .35); color: #d1fae5; border-color: rgba(5, 150, 105, .5); }

/* ---------- Steps ---------- */

.steps { counter-reset: step; list-style: none; padding: 0; margin: 1.25rem 0; }
.steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 1.25rem 3rem;
  border-left: 2px solid var(--border);
  margin-left: 1rem;
}
.steps li:last-child { border-left-color: transparent; padding-bottom: 0; }
.steps li::before {
  content: counter(step);
  position: absolute;
  left: -1.05rem;
  top: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--accent-grad);
  color: #fff;
  font-weight: 700;
  font-size: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.steps li strong { display: block; }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--accent-grad);
  color: #fff;
  border-radius: 16px;
  padding: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}
.cta-band h2 { margin: 0 0 .35rem; color: #fff; font-size: 1.5rem; }
.cta-band p { margin: 0; opacity: .9; }
.cta-band .btn-primary { background: #fff; color: var(--accent); }
.cta-band .btn-secondary { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .35); box-shadow: none; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 2.5rem 0 2rem;
  margin-top: 3rem;
  color: var(--muted);
  font-size: .9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 1.75rem;
}
.site-footer h4 {
  margin: 0 0 .6rem;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text);
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: .3rem 0; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--accent); }
.footer-brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; color: var(--text); margin-bottom: .5rem; }
.footer-brand img { width: 28px; height: 28px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem;
  font-size: .85rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; padding: .75rem 1.25rem 1rem; gap: .15rem; }
  .site-nav a { padding: .65rem .75rem; }
  .nav-cta { margin-left: 0; text-align: center; }
  section { padding: 2.25rem 0; }
  .hero { padding: 2.5rem 0 2rem; }
  .cta-band { padding: 1.75rem; }
}