@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Core white + blue palette */
  --color-court-navy: #0B2545;   /* headers, nav, footer, dark text on light bg */
  --color-rim-blue: #1656D9;     /* primary brand color — buttons, links, active states */
  --color-sky-blue: #4F8EF7;     /* hover states, secondary accents, gradients */
  --color-backboard-white: #FFFFFF; /* primary background */
  --color-hardwood-fog: #F4F7FB; /* alternate section / card background */
  --color-net-chalk: #E2E8F0;    /* borders, dividers */
  --color-ink: #0F1B2D;          /* body text (navy-black, not pure black) */

  /* Functional status colors (calculator verdicts only) */
  --color-success-net: #16A34A;  /* "you can dunk" */
  --color-alert-amber: #F59E0B;  /* "close, not there yet" */
  --color-fail-red: #DC2626;     /* significant gap */

  /* Fonts */
  --font-display: 'Barlow Condensed', 'Oswald', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2.5rem;
  --spacing-xxl: 4rem;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(11, 37, 69, 0.08), 0 2px 4px -1px rgba(11, 37, 69, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(11, 37, 69, 0.1), 0 4px 6px -2px rgba(11, 37, 69, 0.05);
  --shadow-inset: inset 0 2px 4px 0 rgba(11, 37, 69, 0.06);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

/* Global Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background-color: var(--color-backboard-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-court-navy);
  line-height: 1.1;
  letter-spacing: 0.02em;
}

h1 {
  font-size: 2.75rem;
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: 2.25rem;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-net-chalk);
  padding-bottom: var(--spacing-sm);
}

h3 {
  font-size: 1.5rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

a {
  color: var(--color-rim-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-sky-blue);
  text-decoration: underline;
}

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  width: 100%;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .grid-sidebar { grid-template-columns: 2fr 1fr; }
  
  h1 { font-size: 3.5rem; }
  h2 { font-size: 2.5rem; }
}

.section {
  padding: var(--spacing-xl) 0;
}

.section-alt {
  background-color: var(--color-hardwood-fog);
  border-top: 1px solid var(--color-net-chalk);
  border-bottom: 1px solid var(--color-net-chalk);
}

/* Header & Navigation */
header {
  background-color: var(--color-court-navy);
  color: var(--color-backboard-white);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-backboard-white);
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
}

.logo-link:hover {
  color: var(--color-backboard-white);
  text-decoration: none;
}

.logo-link svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

/* Desktop Nav */
.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  color: var(--color-net-chalk);
  font-weight: 500;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--spacing-xs) 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-backboard-white);
  border-bottom-color: var(--color-sky-blue);
  text-decoration: none;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-backboard-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-xs);
}

@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-court-navy);
    flex-direction: column;
    padding: var(--spacing-lg) 0;
    gap: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
    display: none; /* Controlled by JS */
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    text-align: center;
    padding: var(--spacing-sm) 0;
  }
}

/* Calculator Layout Styles */
.calculator-hero {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, var(--color-court-navy) 0%, #113054 100%);
  color: var(--color-backboard-white);
  border-bottom: 4px solid var(--color-rim-blue);
}

.calculator-hero h1 {
  color: var(--color-backboard-white);
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.calculator-subtitle {
  text-align: center;
  color: var(--color-net-chalk);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

.calculator-wrapper {
  background-color: var(--color-backboard-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  color: var(--color-ink);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 992px) {
  .calculator-wrapper {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.calculator-form-side {
  padding: var(--spacing-lg);
}

@media (min-width: 768px) {
  .calculator-form-side {
    padding: var(--spacing-xl);
  }
}

.calculator-result-side {
  background-color: var(--color-hardwood-fog);
  border-left: 1px solid var(--color-net-chalk);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .calculator-result-side {
    padding: var(--spacing-xl);
  }
}

/* Form Inputs & UI Controls */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-court-navy);
  font-size: 0.95rem;
}

.form-label-desc {
  display: block;
  font-size: 0.8rem;
  color: #64748B;
  margin-bottom: var(--spacing-xs);
}

.input-row {
  display: flex;
  gap: var(--spacing-sm);
}

.input-control {
  width: 100%;
  padding: 0.75rem var(--spacing-md);
  border: 2px solid var(--color-net-chalk);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-ink);
  background-color: var(--color-backboard-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-control:focus {
  outline: none;
  border-color: var(--color-rim-blue);
  box-shadow: 0 0 0 3px rgba(22, 86, 217, 0.15);
}

select.input-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%230B2545'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.25rem;
  padding-right: 2.5rem;
}

/* Unit Toggle */
.unit-toggle-container {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--spacing-md);
}

.unit-toggle-btn {
  background-color: var(--color-hardwood-fog);
  border: 1px solid var(--color-net-chalk);
  padding: var(--spacing-xs) var(--spacing-md);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-court-navy);
  transition: all var(--transition-fast);
}

.unit-toggle-btn:first-child {
  border-top-left-radius: var(--radius-sm);
  border-bottom-left-radius: var(--radius-sm);
  border-right: none;
}

.unit-toggle-btn:last-child {
  border-top-right-radius: var(--radius-sm);
  border-bottom-right-radius: var(--radius-sm);
}

.unit-toggle-btn.active {
  background-color: var(--color-rim-blue);
  color: var(--color-backboard-white);
  border-color: var(--color-rim-blue);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem var(--spacing-xl);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  width: 100%;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-rim-blue);
  color: var(--color-backboard-white);
  box-shadow: 0 4px 10px rgba(22, 86, 217, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-sky-blue);
  color: var(--color-backboard-white);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(22, 86, 217, 0.35);
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--color-hardwood-fog);
  color: var(--color-court-navy);
  border: 2px solid var(--color-net-chalk);
}

.btn-secondary:hover {
  background-color: var(--color-net-chalk);
  text-decoration: none;
}

/* Results Display */
.results-box {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.results-value {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-court-navy);
  margin-bottom: var(--spacing-xs);
}

.results-unit {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-sky-blue);
}

.results-label {
  font-size: 0.9rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #64748B;
  margin-top: var(--spacing-xs);
}

.results-badge {
  display: inline-block;
  padding: 0.4rem var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-top: var(--spacing-sm);
}

.badge-success {
  background-color: rgba(22, 163, 74, 0.1);
  color: var(--color-success-net);
  border: 1px solid rgba(22, 163, 74, 0.2);
}

.badge-alert {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-alert-amber);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-danger {
  background-color: rgba(220, 38, 38, 0.1);
  color: var(--color-fail-red);
  border: 1px solid rgba(220, 38, 38, 0.2);
}

.results-message {
  font-size: 0.95rem;
  color: var(--color-ink);
  margin-top: var(--spacing-sm);
  font-weight: 500;
}

/* Rim Gauge Visual Component */
.rim-gauge-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-md) 0;
  width: 100%;
}

.rim-gauge-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  color: var(--color-court-navy);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.rim-gauge-widget {
  display: flex;
  width: 100%;
  max-width: 280px;
  height: 380px;
  position: relative;
  margin-bottom: var(--spacing-sm);
}

.rim-gauge-y-axis {
  width: 60px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 600;
  color: #64748B;
  padding-right: var(--spacing-sm);
  border-right: 1px solid var(--color-net-chalk);
  text-align: right;
  user-select: none;
}

.rim-gauge-track-wrap {
  flex: 1;
  height: 100%;
  position: relative;
  margin-left: var(--spacing-md);
}

.rim-gauge-track {
  width: 32px;
  height: 100%;
  background-color: var(--color-net-chalk);
  border-radius: var(--radius-full);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-inset);
  margin: 0 auto;
}

.rim-gauge-fill {
  width: 100%;
  height: 0%;
  position: absolute;
  bottom: 0;
  left: 0;
  background: linear-gradient(0deg, var(--color-rim-blue) 0%, var(--color-sky-blue) 100%);
  border-radius: var(--radius-full);
  transition: height var(--transition-normal), background-color var(--transition-normal);
}

.rim-gauge-fill.success {
  background: linear-gradient(0deg, var(--color-rim-blue) 0%, var(--color-success-net) 100%);
}

.rim-gauge-marker {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 10;
  pointer-events: none;
}

.rim-gauge-marker::before {
  content: '';
  position: absolute;
  left: -24px;
  right: -24px;
  top: -1px;
  height: 2px;
}

.rim-gauge-marker::after {
  content: attr(data-label);
  position: absolute;
  left: 45px;
  top: -8px;
  font-size: 0.7rem;
  font-weight: 700;
  white-space: nowrap;
  padding: 1px 4px;
  border-radius: 3px;
  background-color: var(--color-court-navy);
  color: var(--color-backboard-white);
  box-shadow: var(--shadow-sm);
  text-transform: uppercase;
}

/* Specific Marker Styles */
.marker-rim {
  bottom: 76.9%; /* Standard 120 inches out of 156 maximum (120/156 = 76.9%) */
}
.marker-rim::before {
  background-color: #EF4444; /* Orange-red rim line */
}
.marker-rim::after {
  background-color: #EF4444;
}

.marker-reach {
  bottom: 0%; /* Dynamic, set by JS */
  transition: bottom var(--transition-normal);
}
.marker-reach::before {
  background-color: var(--color-court-navy);
  border-top: 1px dashed var(--color-backboard-white);
}

.marker-jump {
  bottom: 0%; /* Dynamic, set by JS */
  transition: bottom var(--transition-normal);
}
.marker-jump::before {
  background-color: var(--color-success-net);
}
.marker-jump::after {
  background-color: var(--color-success-net);
}

.marker-clearance {
  bottom: 80.7%; /* Rim + clearance. Set dynamically or static fallback (126/156 = 80.7%) */
  transition: bottom var(--transition-normal);
}
.marker-clearance::before {
  background-color: var(--color-sky-blue);
  border-top: 1px dashed var(--color-backboard-white);
}
.marker-clearance::after {
  background-color: var(--color-sky-blue);
}

/* Breadcrumbs */
.breadcrumbs {
  padding: var(--spacing-md) 0 0;
  font-size: 0.85rem;
  color: #64748B;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: var(--spacing-xs);
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: var(--spacing-xs);
  color: var(--color-net-chalk);
}

.breadcrumbs a {
  color: #64748B;
}

.breadcrumbs a:hover {
  color: var(--color-rim-blue);
}

/* Cards & Layout Content Grid */
.card {
  background-color: var(--color-backboard-white);
  border: 1px solid var(--color-net-chalk);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-title {
  color: var(--color-court-navy);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.card-desc {
  font-size: 0.95rem;
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  margin: var(--spacing-md) 0 var(--spacing-lg);
  border: 1px solid var(--color-net-chalk);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

th {
  background-color: var(--color-court-navy);
  color: var(--color-backboard-white);
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.75rem var(--spacing-md);
  letter-spacing: 0.05em;
}

td {
  padding: 0.75rem var(--spacing-md);
  border-bottom: 1px solid var(--color-net-chalk);
}

tr:last-child td {
  border-bottom: none;
}

tr:nth-child(even) td {
  background-color: var(--color-hardwood-fog);
}

/* FAQ Accordion Component */
.faq-accordion {
  margin: var(--spacing-lg) 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.faq-item {
  border: 1px solid var(--color-net-chalk);
  border-radius: var(--radius-md);
  background-color: var(--color-backboard-white);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-court-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  transition: background-color var(--transition-fast);
}

.faq-question:hover {
  background-color: var(--color-hardwood-fog);
}

.faq-question::after {
  content: "+";
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-rim-blue);
  transition: transform var(--transition-normal);
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out;
  padding: 0 var(--spacing-lg);
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 var(--spacing-lg) var(--spacing-md);
}

/* Alerts and Callouts */
.alert-box {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid;
}

.alert-info {
  background-color: var(--color-hardwood-fog);
  border-left-color: var(--color-rim-blue);
  color: var(--color-ink);
}

.alert-warning {
  background-color: rgba(245, 158, 11, 0.05);
  border-left-color: var(--color-alert-amber);
  color: var(--color-ink);
}

/* Footer styling */
footer {
  background-color: var(--color-court-navy);
  color: var(--color-backboard-white);
  padding: var(--spacing-xxl) 0 var(--spacing-xl);
  border-top: 4px solid var(--color-rim-blue);
  margin-top: var(--spacing-xxl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.footer-col h4 {
  color: var(--color-backboard-white);
  font-size: 1.15rem;
  margin-bottom: var(--spacing-md);
  border-bottom: 2px solid rgba(255, 255, 255, 0.1);
  padding-bottom: var(--spacing-xs);
  letter-spacing: 0.05em;
}

.footer-col p {
  color: var(--color-net-chalk);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-links a {
  color: var(--color-net-chalk);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-backboard-white);
  text-decoration: underline;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #64748B;
  font-size: 0.85rem;
}

.footer-bottom p {
  margin: 0;
}

/* Blog Hub Styling */
.blog-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

@media (min-width: 768px) {
  .blog-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.blog-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.blog-meta {
  font-size: 0.8rem;
  color: #64748B;
  margin-bottom: var(--spacing-xs);
  display: flex;
  gap: var(--spacing-sm);
  text-transform: uppercase;
}

/* Contact Us Styling */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}