/* ============================================================
   BidToBiz Tools — Shared Stylesheet
   Used across all tool pages
   ============================================================ */

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

:root {
  --green: #1D9E75;
  --green-dark: #085041;
  --green-light: #E1F5EE;
  --green-mid: #9FE1CB;
  --dark: #0a0a0a;
  --gray: #555;
  --gray-light: #888;
  --light: #f7f7f5;
  --border: #e8e8e4;
  --white: #ffffff;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --radius: 12px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--white);
  color: var(--dark);
  line-height: 1.6;
  font-size: 15px;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 24px;
}

/* LOGO */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.logo-icon {
  width: 34px;
  height: 34px;
  background: var(--green-dark);
  color: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 16px;
  flex-shrink: 0;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-main {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--dark);
}
.logo-sub {
  font-size: 11px;
  color: var(--green);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* NAV */
.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-link {
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray);
  transition: all 0.15s;
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.active {
  background: var(--green-light);
  color: var(--green-dark);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.back-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray);
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 99px;
  transition: all 0.15s;
  white-space: nowrap;
}
.back-link:hover {
  border-color: var(--green);
  color: var(--green-dark);
}

/* HAMBURGER */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all 0.2s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* MOBILE NAV */
.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 12px 24px 16px;
  border-top: 1px solid var(--border);
  background: var(--white);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 10px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--dark);
  border-bottom: 1px solid var(--border);
}
.mobile-nav a:last-child { border-bottom: none; color: var(--green); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--green-dark);
  padding: 64px 24px 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-bg-circle {
  position: absolute;
  border-radius: 50%;
  background: rgba(29,158,117,0.12);
  pointer-events: none;
}
.hero-bg-circle.c1 { width: 400px; height: 400px; top: -150px; right: -100px; }
.hero-bg-circle.c2 { width: 250px; height: 250px; bottom: -100px; left: -50px; }

.hero-badge {
  display: inline-block;
  background: rgba(159,225,203,0.15);
  color: var(--green-mid);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 6px 16px;
  border-radius: 99px;
  margin-bottom: 20px;
  border: 1px solid rgba(159,225,203,0.25);
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.hero h1 .accent { color: var(--green-mid); }

.hero > .container > p,
.hero p.hero-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  max-width: 560px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 1;
}

/* SEARCH */
.search-wrap {
  max-width: 580px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 1;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.1);
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 12px;
  padding: 12px 16px;
  backdrop-filter: blur(8px);
  transition: all 0.2s;
}
.search-box:focus-within {
  background: rgba(255,255,255,0.15);
  border-color: var(--green-mid);
}
.search-box svg { color: rgba(255,255,255,0.5); flex-shrink: 0; }
.search-box input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-size: 15px;
  color: #fff;
  font-family: 'DM Sans', sans-serif;
}
.search-box input::placeholder { color: rgba(255,255,255,0.45); }
.search-clear {
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  font-size: 14px;
  padding: 2px 6px;
  border-radius: 4px;
  display: none;
  align-items: center;
  transition: color 0.15s;
}
.search-clear:hover { color: #fff; }

/* STATS */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.stat { text-align: center; }
.stat strong {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--green-mid);
  line-height: 1;
  margin-bottom: 4px;
}
.stat span { font-size: 12px; color: rgba(255,255,255,0.55); letter-spacing: 0.04em; }

/* ============================================================
   PRIVACY BAR
   ============================================================ */
.privacy-bar {
  background: var(--green-light);
  border-bottom: 1px solid #9FE1CB;
  padding: 10px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--green-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.privacy-bar strong { font-weight: 700; }

/* ============================================================
   CONTAINER
   ============================================================ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.main-content { padding-bottom: 48px; }

/* ============================================================
   TOOL SECTIONS
   ============================================================ */
.tool-section { padding: 48px 0 8px; }

.section-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--green-light);
}

.section-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.section-icon.pdf { background: #FFF3E0; color: #E65100; }
.section-icon.convert { background: #E8F5E9; color: #2E7D32; }
.section-icon.images { background: #FCE4EC; color: #880E4F; }
.section-icon.docs { background: #E3F2FD; color: #1565C0; }
.section-icon.procurement { background: var(--green-light); color: var(--green-dark); }

.section-header > div { flex: 1; }
.section-header h2 {
  font-family: 'Syne', sans-serif;
  font-size: 19px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.2;
}
.section-header p { font-size: 13px; color: var(--gray-light); margin-top: 2px; }

.see-all {
  font-size: 13px;
  font-weight: 600;
  color: var(--green);
  white-space: nowrap;
  padding: 6px 14px;
  border: 1px solid var(--green-light);
  border-radius: 99px;
  transition: all 0.15s;
}
.see-all:hover { background: var(--green-light); }

/* ============================================================
   TOOL GRID & CARDS
   ============================================================ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.tool-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.tool-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: var(--green);
  opacity: 0;
  transition: opacity 0.2s;
}
.tool-card:hover {
  border-color: #b2dfcf;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(29,158,117,0.1);
}
.tool-card:hover::after { opacity: 1; }

.tool-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}
.tool-icon {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

/* BADGES */
.badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 99px;
  flex-shrink: 0;
  white-space: nowrap;
}
.badge.free { background: var(--green-light); color: var(--green-dark); }
.badge.popular { background: #FFF3CD; color: #7A4F00; }
.badge.new { background: #E3F2FD; color: #0D47A1; }
.badge.ai { background: #F3E5F5; color: #4A148C; }
.badge.soon { background: var(--light); color: var(--gray-light); }

.tool-name {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
}
.tool-desc {
  font-size: 12.5px;
  color: var(--gray);
  line-height: 1.55;
  flex: 1;
}
.tool-cta {
  font-size: 12px;
  font-weight: 600;
  color: var(--green);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.tool-cta span { transition: transform 0.15s; }
.tool-card:hover .tool-cta span { transform: translateX(3px); }

.tool-card.coming-soon {
  opacity: 0.55;
  pointer-events: none;
}

/* NO RESULTS */
.no-results {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  text-align: center;
  gap: 12px;
}
.no-results-icon { font-size: 48px; }
.no-results h3 { font-family: 'Syne', sans-serif; font-size: 20px; }
.no-results p { color: var(--gray); font-size: 14px; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 56px 24px 0;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  margin: 16px 0;
  color: rgba(255,255,255,0.55);
}
.footer-main-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--green-mid);
  border: 1px solid rgba(159,225,203,0.3);
  padding: 8px 16px;
  border-radius: 8px;
  display: inline-block;
  transition: all 0.15s;
}
.footer-main-link:hover { background: rgba(159,225,203,0.1); }

.footer-logo .logo-main { color: #fff; }
.footer-logo .logo-sub { color: var(--green-mid); }

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.footer-col h4 {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  padding: 4px 0;
  transition: color 0.15s;
}
.footer-col a:last-child { color: var(--green-mid); margin-top: 4px; }
.footer-col a:hover { color: rgba(255,255,255,0.85); }

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 0;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  text-align: center;
}

/* ============================================================
   TOOL PAGE LAYOUT (for individual tool pages)
   ============================================================ */
.tool-page-hero {
  background: var(--light);
  border-bottom: 1px solid var(--border);
  padding: 40px 24px 32px;
}
.tool-page-hero .container {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.tool-page-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  flex-shrink: 0;
}
.tool-page-hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: 26px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 6px;
}
.tool-page-hero p {
  font-size: 14px;
  color: var(--gray);
  max-width: 540px;
}
.tool-page-badges {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.tool-page-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 99px;
  background: var(--green-light);
  color: var(--green-dark);
}

.tool-workspace {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}

/* UPLOAD ZONE */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 16px;
  padding: 60px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--light);
}
.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--green);
  background: var(--green-light);
}
.upload-zone-icon { font-size: 48px; margin-bottom: 16px; }
.upload-zone h3 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.upload-zone p { font-size: 13px; color: var(--gray); margin-bottom: 20px; }
.upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 11px 24px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
  font-family: 'DM Sans', sans-serif;
}
.upload-btn:hover { background: var(--green-dark); }

/* ACTION BUTTONS */
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  font-family: 'DM Sans', sans-serif;
}
.action-btn:hover { background: var(--green-dark); transform: translateY(-1px); }
.action-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.action-btn.secondary {
  background: var(--light);
  color: var(--dark);
  border: 1px solid var(--border);
}
.action-btn.secondary:hover { background: var(--border); }

/* PROGRESS */
.progress-wrap { margin: 20px 0; }
.progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--green);
  border-radius: 99px;
  transition: width 0.3s ease;
  width: 0%;
}
.progress-label { font-size: 13px; color: var(--gray); margin-top: 8px; }

/* RESULT BOX */
.result-box {
  background: var(--green-light);
  border: 1px solid #9FE1CB;
  border-radius: 12px;
  padding: 20px 24px;
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.result-box-icon { font-size: 32px; flex-shrink: 0; }
.result-box h4 { font-family: 'Syne', sans-serif; font-size: 16px; font-weight: 700; color: var(--green-dark); }
.result-box p { font-size: 13px; color: #0F6E56; margin-top: 2px; }
.result-box .action-btn { margin-left: auto; flex-shrink: 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .header-nav { display: none; }
  .header-actions { display: none; }
  .hamburger { display: flex; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 28px; }
  .hero-stats { gap: 20px; }
  .stat strong { font-size: 20px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 24px; }
  .tool-page-hero .container { flex-direction: column; }
}

@media (max-width: 400px) {
  .tools-grid { grid-template-columns: 1fr; }
}