/* Sendby (Shipcutoff.com) - Modern Design System & Lovable UI Styles */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --bg-dark: #090d16;
  --bg-card: rgba(18, 26, 43, 0.75);
  --bg-card-hover: rgba(28, 40, 65, 0.85);

  --border-color: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(59, 130, 246, 0.4);

  --primary-blue: #3b82f6;
  --primary-blue-glow: rgba(59, 130, 246, 0.25);
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  --accent-rose: #ef4444;

  --text-white: #ffffff;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --usps-color: #3b82f6;
  --fedex-color: #a855f7;
  --ups-color: #f59e0b;
  --dhl-color: #eab308;
  --amazon-color: #fb923c;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-white);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(245, 158, 11, 0.1) 0%, transparent 45%);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--text-white);
  text-decoration: none;
}

.logo-badge {
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  padding: 0.35rem 0.6rem;
  border-radius: 8px;
  font-size: 1rem;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

.nav-tagline {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Hero Section */
.hero {
  padding: 4rem 0 3rem 0;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--accent-amber);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title span {
  background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 2.5rem auto;
}

/* Interactive Calculator Widget */
.calculator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  max-width: 850px;
  margin: 0 auto 4rem auto;
  position: relative;
}

.calc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.calc-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: left;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-select, .form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-white);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: all 0.2s ease;
}

.form-select:focus, .form-input:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 12px var(--primary-blue-glow);
}

.btn-primary {
  width: 100%;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  border: none;
  border-radius: 12px;
  color: white;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.25 ease;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(37, 99, 235, 0.5);
}

/* Result Result Box */
.calc-result-box {
  margin-top: 1.5rem;
  padding: 1.5rem;
  border-radius: 14px;
  background: rgba(30, 58, 138, 0.25);
  border: 1px solid rgba(59, 130, 246, 0.4);
  display: none;
  text-align: left;
}

.calc-result-box.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.result-status {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.status-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
}

.status-safe {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.status-tight {
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

/* Cutoff Matrix Section */
.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.carrier-tabs {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  margin-bottom: 2rem;
}

.carrier-tab {
  padding: 0.65rem 1.25rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-muted);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.carrier-tab.active, .carrier-tab:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--primary-blue);
  color: var(--text-white);
}

.cutoff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.cutoff-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.cutoff-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
}

.cutoff-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.carrier-tag {
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  text-transform: uppercase;
}

.tag-usps { background: rgba(59, 130, 246, 0.2); color: var(--usps-color); }
.tag-fedex { background: rgba(168, 85, 247, 0.2); color: var(--fedex-color); }
.tag-ups { background: rgba(245, 158, 11, 0.2); color: var(--ups-color); }
.tag-dhl { background: rgba(234, 179, 8, 0.2); color: var(--dhl-color); }
.tag-amazon { background: rgba(251, 146, 60, 0.2); color: var(--amazon-color); }

.service-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.cutoff-date-box {
  background: rgba(15, 23, 42, 0.6);
  padding: 1rem;
  border-radius: 10px;
  margin: 1rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cutoff-date {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-amber);
}

.btn-ics {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: var(--text-white);
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-ics:hover {
  background: rgba(255, 255, 255, 0.18);
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
  margin-top: 4rem;
  text-align: center;
  color: var(--text-subtle);
  font-size: 0.9rem;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .hero-title { font-size: 2.25rem; }
  .calculator-card { padding: 1.5rem; }
}