/* ===================================================================
   ImgCruncher — Light theme (loaded instead of dark.css when $lightTheme).
   style.css is light-first; this refreshes tokens to a modern blue palette
   and styles the light "home-modern" homepage components + light nav.
   =================================================================== */

:root {
  --primary:      #2563EB;
  --primary-dark: #1D4ED8;
  --primary-mid:  #3B82F6;
  --primary-light:#EFF4FF;
  --accent:       #2563EB;
  --accent-dim:   #EFF4FF;
  --accent-border:#BFD3FF;

  --bg:        #FFFFFF;
  --bg-light:  #F8FAFC;
  --bg-gray:   #F1F5F9;
  --text:      #0F172A;
  --text-muted:#475569;
  --text-light:#94A3B8;
  --border:    #E5E9F0;
  --border-dark:#CBD5E1;
  --success:   #16A34A;

  --bg-surface:   #FFFFFF;
  --bg-elevated:  #F8FAFC;
  --bg-border:    #E5E9F0;
  --text-primary: #0F172A;
  --text-secondary:#475569;

  --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
  --shadow:    0 1px 3px rgba(15,23,42,.08), 0 6px 16px rgba(15,23,42,.06);
  --shadow-lg: 0 12px 32px rgba(15,23,42,.12);
  --gradient-accent: linear-gradient(135deg,#2563EB 0%,#3B82F6 100%);
  color-scheme: light;
}

html, body { background: var(--bg); color: var(--text); }

/* ---------- Header (light) ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; -webkit-backdrop-filter: none; backdrop-filter: none; border-bottom: 1px solid var(--border); }
.logo-accent { color: var(--primary); }
.main-nav a { color: var(--text-muted); }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--text); }
.header-cta { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--primary); border: 1px solid var(--border); border-radius: 10px; padding: 8px 16px; text-decoration: none; transition: all .2s; }
.header-cta:hover { border-color: var(--accent-border); background: var(--accent-dim); }
.bookmark-btn { background: #fff; cursor: pointer; font-family: inherit; line-height: 1; }
.bookmark-btn svg { color: var(--primary); }
@media (max-width: 880px) { .header-cta { display: none; } }

/* Three-zone header: logo left, tabs centered, button right */
@media (min-width: 768px) {
  .header-inner .site-logo     { order: 1; flex: 1 1 0; }
  .header-inner .main-nav      { order: 2; flex: 0 0 auto; margin: 0; }
  .header-inner .header-actions{ order: 3; flex: 1 1 0; justify-content: flex-end; margin: 0; }
}

/* Bookmark hint toast */
.bookmark-toast {
  position: fixed; left: 50%; bottom: 26px; transform: translate(-50%, 12px);
  background: #0F172A; color: #fff; font-size: .9rem; font-weight: 500;
  padding: .7rem 1.15rem; border-radius: 10px; box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 200;
}
.bookmark-toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Buttons ---------- */
.btn-primary { background: var(--gradient-accent); color: #fff; border: none; font-weight: 600; display: inline-flex; align-items: center; gap: .5rem; }
.btn-primary:hover { filter: brightness(1.06); box-shadow: 0 6px 18px rgba(37,99,235,.28); }
.btn-primary svg { width: 18px; height: 18px; }
.btn-outline { background: #fff; color: var(--primary); border: 1px solid var(--border-dark); font-weight: 600; }
.btn-outline:hover { border-color: var(--primary); background: var(--accent-dim); color: var(--primary); }

/* ---------- Nav mega-menu (light) ---------- */
.main-nav .has-mega { position: static; }
.mega-menu { display: none; position: fixed; left: 0; right: 0; top: 67px; z-index: 95; }
.has-mega:hover .mega-menu, .has-mega.open .mega-menu { display: block; }
.mega-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem 2rem; background: #fff; border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow-lg); padding: 1.7rem 1.9rem; }
.mega-cat { font-size: .72rem; text-transform: uppercase; letter-spacing: .09em; color: var(--primary); font-weight: 700; margin: 0 0 .7rem; padding-bottom: .5rem; border-bottom: 1px solid var(--border); }
.main-nav .mega-col ul { display: block; list-style: none; margin: 0; padding: 0; }
.main-nav .mega-col li { display: block; margin: 0; position: static; }
.main-nav .mega-link { display: flex; align-items: center; gap: .55rem; padding: .45rem .5rem; border-radius: 8px; color: var(--text-muted); text-decoration: none; font-size: .85rem; font-weight: 500; }
.main-nav .mega-link:hover { background: var(--accent-dim); color: var(--primary); }
.mega-link .mico { width: 27px; height: 27px; flex: none; display: grid; place-items: center; border-radius: 7px; background: var(--accent-dim); color: var(--primary); }
.mega-link .mico svg { width: 15px; height: 15px; }
@media (max-width: 980px) { .mega-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) { .mega-menu { position: static; } .mega-grid { grid-template-columns: 1fr; gap: 1rem; box-shadow: none; border: 0; background: transparent; padding: .4rem 0 .8rem; } .has-mega:hover .mega-menu { display: none; } .has-mega.open .mega-menu { display: block; } }

/* ---------- Section scaffolding ---------- */
.home-band { padding: 3.25rem 0; }
.home-band.workflow-band, .home-band.difference-band { background: var(--bg-light); }
.compact-heading { text-align: center; max-width: 60ch; margin: 0 auto 2rem; }
.compact-heading h2 { font-size: clamp(1.5rem, 3vw, 2rem); color: var(--text); margin: 0 0 .4rem; letter-spacing: -.01em; }
.compact-heading p { color: var(--text-muted); margin: 0; }
.home-center { text-align: center; margin-top: 2rem; }
.pill-link { display: inline-flex; align-items: center; gap: .4rem; background: #fff; border: 1px solid var(--border-dark); color: var(--primary); font-weight: 600; font-size: .9rem; padding: .6rem 1.25rem; border-radius: 999px; text-decoration: none; transition: all .2s; }
.pill-link:hover { border-color: var(--primary); background: var(--accent-dim); }

/* ---------- Hero ---------- */
.modern-hero { background: linear-gradient(180deg,#F4F8FF 0%, #FFFFFF 72%); border-bottom: 1px solid var(--border); padding: 3.5rem 0 4rem; }
.modern-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: center; }
.eyebrow { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--primary); background: var(--accent-dim); padding: .3rem .7rem; border-radius: 999px; margin: 0 0 1rem; }
.modern-hero-copy h1 { font-size: clamp(2rem, 3.6vw, 2.9rem); line-height: 1.12; letter-spacing: -.02em; font-weight: 800; color: var(--text); margin: 0 0 1rem; }
.modern-hero-copy h1 span { color: var(--primary); }
.modern-hero-copy > p { font-size: 1.05rem; color: var(--text-muted); line-height: 1.6; max-width: 48ch; margin: 0 0 1.5rem; }
.modern-actions { display: flex; gap: .75rem; flex-wrap: wrap; margin: 0 0 1.5rem; }
.modern-actions .btn { padding: .8rem 1.5rem; }
.hero-feature-row { display: flex; flex-wrap: wrap; gap: .9rem 1.5rem; list-style: none; margin: 0; padding: 0; font-size: .85rem; color: var(--text-muted); font-weight: 500; }
.hero-feature-row li { display: inline-flex; align-items: center; gap: .4rem; }
.hero-feature-row svg { width: 16px; height: 16px; color: var(--primary); }

.hero-drop-panel { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: #fff; border: 2px dashed var(--border-dark); border-radius: 20px; padding: 3rem 2rem; text-decoration: none; box-shadow: var(--shadow); transition: border-color .2s, box-shadow .2s, transform .2s; }
.hero-drop-panel:hover { border-color: var(--primary); box-shadow: 0 16px 40px rgba(37,99,235,.14); transform: translateY(-2px); }
.drop-file-icon { width: 72px; height: 72px; border-radius: 18px; display: grid; place-items: center; background: var(--accent-dim); color: var(--primary); margin-bottom: 1rem; }
.drop-file-icon svg { width: 36px; height: 36px; }
.hero-drop-panel strong { font-size: 1.1rem; color: var(--text); }
.hero-drop-panel > span { color: var(--primary); font-weight: 600; margin-top: .2rem; }
.hero-drop-panel small { color: var(--text-light); font-size: .82rem; margin-top: .9rem; line-height: 1.6; }
@media (max-width: 860px) { .modern-hero-grid { grid-template-columns: 1fr; gap: 2rem; } }

/* ---------- Popular tools ---------- */
.popular-tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.popular-tool-card { display: flex; align-items: center; gap: 1rem; background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 1.1rem 1.25rem; text-decoration: none; transition: border-color .2s, box-shadow .2s, transform .2s; }
.popular-tool-card:hover { border-color: var(--accent-border); box-shadow: var(--shadow); transform: translateY(-2px); }
.popular-icon { width: 44px; height: 44px; flex: none; display: grid; place-items: center; border-radius: 11px; background: var(--tool-soft, var(--accent-dim)); color: var(--tool-from, var(--primary)); }
.popular-icon svg { width: 22px; height: 22px; }
.popular-copy { flex: 1; min-width: 0; }
.popular-copy strong { display: block; color: var(--text); font-size: .95rem; }
.popular-copy small { display: block; color: var(--text-muted); font-size: .82rem; line-height: 1.45; margin-top: .15rem; }
.popular-arrow { color: var(--text-light); font-weight: 600; }
.popular-tool-card:hover .popular-arrow { color: var(--primary); }
@media (max-width: 900px) { .popular-tool-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 580px) { .popular-tool-grid { grid-template-columns: 1fr; } }

/* ---------- Metric strip ---------- */
.metric-strip { background: var(--bg-light); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 3rem 0; }
.metric-strip h2 { text-align: center; font-size: clamp(1.5rem,3vw,2rem); margin: 0 0 1.75rem; color: var(--text); }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.metric-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 1.5rem 1rem; text-align: center; }
.metric-card span { width: 42px; height: 42px; margin: 0 auto .6rem; border-radius: 11px; display: grid; place-items: center; background: var(--accent-dim); color: var(--primary); }
.metric-card span svg { width: 20px; height: 20px; }
.metric-card strong { display: block; font-size: 1.6rem; font-weight: 800; color: var(--text); line-height: 1.1; }
.metric-card small { color: var(--text-muted); font-size: .82rem; }
@media (max-width: 700px) { .metric-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Workflows ---------- */
.workflow-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1rem; }
.workflow-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 1.4rem 1rem; text-align: center; }
.workflow-visual { width: 48px; height: 48px; margin: 0 auto .8rem; border-radius: 12px; display: grid; place-items: center; background: var(--accent-dim); color: var(--primary); }
.workflow-visual svg { width: 24px; height: 24px; }
.workflow-card h3 { font-size: .92rem; margin: 0 0 .35rem; color: var(--text); }
.workflow-card p { font-size: .8rem; color: var(--text-muted); line-height: 1.5; margin: 0; }
@media (max-width: 1000px) { .workflow-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .workflow-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Guides ---------- */
.guide-card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.guide-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; overflow: hidden; transition: border-color .2s, box-shadow .2s, transform .2s; }
.guide-card:hover { border-color: var(--accent-border); box-shadow: var(--shadow); transform: translateY(-2px); }
.guide-image { display: block; aspect-ratio: 16/9; overflow: hidden; background: var(--bg-gray); }
.guide-image img { width: 100%; height: 100%; object-fit: cover; }
.guide-body { padding: 1rem 1.1rem 1.2rem; }
.guide-body h3 { font-size: 1rem; margin: 0 0 .4rem; line-height: 1.3; }
.guide-body h3 a { color: var(--text); text-decoration: none; }
.guide-body h3 a:hover { color: var(--primary); }
.guide-body p { font-size: .85rem; color: var(--text-muted); line-height: 1.5; margin: 0 0 .75rem; }
.guide-link { color: var(--primary); font-weight: 600; font-size: .85rem; text-decoration: none; }
@media (max-width: 1000px) { .guide-card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .guide-card-grid { grid-template-columns: 1fr; } }

/* ---------- See the difference ---------- */
.difference-card { display: grid; grid-template-columns: auto 1fr auto; gap: 1.5rem; align-items: center; background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 1.5rem; box-shadow: var(--shadow); }
.diff-size, .diff-result { text-align: center; }
.diff-size strong, .diff-result strong { display: block; font-size: .8rem; color: var(--text-muted); font-weight: 600; }
.diff-size span, .diff-result span { display: block; font-size: 1.1rem; font-weight: 700; color: var(--text); }
.diff-result b { display: block; font-size: 1.8rem; font-weight: 800; color: var(--success); margin-top: .4rem; }
.diff-result small { display: block; font-size: .78rem; color: var(--text-muted); }
.diff-result i { display: block; height: 6px; border-radius: 999px; margin-top: .5rem; background: linear-gradient(90deg,var(--success) 84%, var(--bg-gray) 84%); }
.diff-preview { position: relative; height: 200px; border-radius: 12px; overflow: hidden; }
.diff-before, .diff-after { position: absolute; top: 0; bottom: 0; background-size: cover; background-position: center; background-image: url("/assets/images/samples/compressor-before.jpg"); }
.diff-before { left: 0; right: 0; }
.diff-after { left: 50%; right: 0; box-shadow: -1px 0 0 #fff; background-image: url("/assets/images/samples/compressor-after.jpg"); background-position: right center; }
.diff-handle { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 36px; height: 36px; border-radius: 50%; background: #fff; box-shadow: var(--shadow); display: grid; place-items: center; color: var(--primary); font-weight: 700; }
@media (max-width: 720px) { .difference-card { grid-template-columns: 1fr; text-align: center; } .diff-preview { height: 220px; } }

/* ---------- Home FAQ ---------- */
.home-faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem 1.5rem; }
.faq-home .faq-item { background: #fff; border: 1px solid var(--border); border-radius: 12px; }
.faq-home .faq-question { padding: 1rem 1.1rem; font-weight: 600; color: var(--text); }
.faq-home .faq-question svg { width: 18px; height: 18px; color: var(--text-light); }
.faq-home .faq-answer { padding: 0 1.1rem; color: var(--text-muted); }
@media (max-width: 760px) { .home-faq-grid { grid-template-columns: 1fr; } }

/* ---------- /tools chips ---------- */
.filter-chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- Announcement bar: kept hidden (message lives in the hero) ---------- */
.announce-bar { display: none !important; }

/* ---------- Card hover (light) ---------- */
.feature-card:hover, .uc-card:hover, .tool-card:hover, .blog-card:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

/* ---------- About (first-person prose, light) ---------- */
.about-prose { color: var(--text-muted); font-size: 17px; line-height: 1.8; }
.about-prose h2 { color: var(--text); margin: 2.25rem 0 .75rem; font-size: 1.4rem; }
.about-prose p { margin: 0 0 1.1rem; }
.about-prose a { color: var(--primary); text-decoration: underline; }
.about-sign { color: var(--text); font-weight: 600; margin-top: 2rem; }

/* ---------- Structural guards (theme-independent, carried from dark) ---------- */
html, body { overflow-x: hidden; }
img, .ba, .compare-2up { max-width: 100%; }
.tools-grid { grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr)); }
@media (max-width: 480px) { .tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  .data-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; white-space: nowrap; }
  .lp-section { padding: 2.25rem 0; }
}