/* =========================================
   Pheidi Marketing Site — Custom Styles
   ========================================= */

:root {
  --pheidi-primary: #46B39D;
  --pheidi-primary-dark: #3a9683;
  --pheidi-accent: #E37332;
  --pheidi-accent-dark: #c9612a;
  --pheidi-dark: #272c30;
  --pheidi-dark-lighter: #334752;
  --pheidi-bg: #f7fafc;
  --pheidi-bg-alt: #eef3f7;
  --pheidi-white: #ffffff;
  --pheidi-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
  --pheidi-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --pheidi-radius: 0.75rem;
}

/* ---- Base ---- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Lato', 'Helvetica Neue', Arial, sans-serif;
  color: var(--pheidi-dark);
  background: var(--pheidi-white);
  line-height: 1.7;
}

h1, h2, h3, h4, h5 {
  font-family: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 700;
}

/* ---- Navbar ---- */
.navbar {
  background: rgba(39, 44, 48, 0.95);
  backdrop-filter: blur(8px);
  padding: 0.75rem 0;
  transition: background 0.3s, box-shadow 0.3s;
}

.navbar.scrolled {
  background: rgba(39, 44, 48, 0.98);
  box-shadow: var(--pheidi-shadow);
}

.navbar-brand {
  font-family: 'Roboto', sans-serif;
  font-size: 1.4rem;
  color: var(--pheidi-primary) !important;
}

.nav-link {
  font-weight: 400;
  padding: 0.5rem 1rem !important;
  transition: color 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--pheidi-primary) !important;
}

/* ---- Buttons ---- */
.btn-pheidi {
  background: var(--pheidi-primary);
  color: #fff;
  border: none;
  padding: 0.65rem 1.8rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  transition: background 0.25s, transform 0.15s, box-shadow 0.25s;
}

.btn-pheidi:hover {
  background: var(--pheidi-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(70, 179, 157, 0.35);
}

.btn-pheidi.btn-lg {
  padding: 0.85rem 2.4rem;
  font-size: 1.15rem;
}

/* ---- Section Defaults ---- */
section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--pheidi-bg);
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  color: var(--pheidi-dark);
}

.section-lead {
  font-size: 1.15rem;
  color: var(--pheidi-dark-lighter);
  max-width: 700px;
  margin: 0 auto 1.5rem;
}

/* ---- Hero ---- */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--pheidi-dark) 0%, #1a2a32 100%);
  color: #fff;
  padding-top: 100px;
}

.hero-icon {
  font-size: 3.5rem;
  color: var(--pheidi-primary);
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.hero-point {
  color: rgba(255, 255, 255, 0.85);
}

.hero-point i {
  font-size: 1.5rem;
  color: var(--pheidi-primary);
  display: block;
}

.hero-point p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ---- Problem Section ---- */
#problem {
  padding: 6rem 0;
}

.scenario-card {
  background: var(--pheidi-bg);
  border-radius: var(--pheidi-radius);
  padding: 1.5rem 1rem;
  text-align: center;
  height: 100%;
  transition: transform 0.2s;
}

.scenario-card:hover {
  transform: translateY(-3px);
}

.scenario-card i {
  font-size: 2rem;
  color: var(--pheidi-accent);
  display: block;
  margin-bottom: 0.75rem;
}

.scenario-card p {
  font-size: 0.95rem;
  margin-bottom: 0;
  color: var(--pheidi-dark-lighter);
}

/* ---- How It Works ---- */
.step-card {
  background: var(--pheidi-white);
  border-radius: var(--pheidi-radius);
  padding: 2.5rem 1.5rem;
  box-shadow: var(--pheidi-shadow);
  height: 100%;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--pheidi-shadow-lg);
}

.step-number {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--pheidi-primary);
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.step-icon {
  font-size: 2.5rem;
  color: var(--pheidi-primary);
  margin-bottom: 1rem;
}

.step-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.step-card p {
  font-size: 0.95rem;
  color: var(--pheidi-dark-lighter);
}

/* ---- Features ---- */
#features {
  padding-top: 5rem;
}

.feature-block {
  padding: 4rem 0;
  border-bottom: 1px solid #eee;
}

.feature-block:last-child {
  border-bottom: none;
}

.feature-label {
  display: inline-block;
  background: rgba(70, 179, 157, 0.1);
  color: var(--pheidi-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.feature-title {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.feature-points {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0;
}

.feature-points li {
  padding: 0.35rem 0 0.35rem 1.5rem;
  position: relative;
  font-size: 0.95rem;
}

.feature-points li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--pheidi-primary);
  font-size: 0.8rem;
  top: 0.55rem;
}

/* ---- Research Callout ---- */
.research-callout {
  background: var(--pheidi-bg);
  border-left: 4px solid var(--pheidi-primary);
  border-radius: 0 var(--pheidi-radius) var(--pheidi-radius) 0;
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.research-callout i {
  color: var(--pheidi-primary);
  font-size: 1.1rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.research-callout p {
  font-size: 0.9rem;
  margin-bottom: 0;
  color: var(--pheidi-dark-lighter);
  line-height: 1.6;
}

.research-callout small {
  color: #888;
}

/* ---- Chart Containers ---- */
.chart-container {
  background: var(--pheidi-white);
  border-radius: var(--pheidi-radius);
  padding: 1.5rem;
  box-shadow: var(--pheidi-shadow);
}

.chart-source {
  font-size: 0.75rem;
  color: #999;
  text-align: center;
  margin-top: 0.75rem;
  margin-bottom: 0;
}

/* ---- Injury Predictor Cards ---- */
.predictor-card {
  border-radius: var(--pheidi-radius);
  padding: 1.25rem;
  text-align: center;
  height: 100%;
}

.predictor-card i {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  display: block;
}

.predictor-card h5 {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.predictor-card small {
  font-size: 0.75rem;
  color: #888;
}

.predictor-badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.predictor-weak {
  background: #f0f0f0;
  color: #999;
}

.predictor-weak i { color: #ccc; }
.predictor-weak .predictor-badge { background: #e0e0e0; color: #888; }

.predictor-strong {
  background: rgba(70, 179, 157, 0.08);
  color: var(--pheidi-dark);
  border: 2px solid var(--pheidi-primary);
}

.predictor-strong i { color: var(--pheidi-primary); }
.predictor-strong .predictor-badge { background: var(--pheidi-primary); color: #fff; }

/* ---- Level Comparison ---- */
.level-comparison {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.level-card {
  background: var(--pheidi-bg);
  border-radius: var(--pheidi-radius);
  padding: 1.25rem;
  flex: 1;
  min-width: 160px;
  border: 2px solid transparent;
}

.level-card h5 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
  color: var(--pheidi-primary);
}

.level-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.level-card ul li {
  font-size: 0.85rem;
  padding: 0.25rem 0;
  border-bottom: 1px solid #e8e8e8;
}

.level-card ul li:last-child {
  border-bottom: none;
}

.level-card-mid {
  border-color: var(--pheidi-primary);
  background: rgba(70, 179, 157, 0.05);
}

.level-card-adv h5 {
  color: var(--pheidi-accent);
}

/* ---- Calendar Preview ---- */
.calendar-preview {
  background: var(--pheidi-white);
  border-radius: var(--pheidi-radius);
  box-shadow: var(--pheidi-shadow);
  overflow: hidden;
}

.cal-header {
  background: var(--pheidi-dark);
  color: #fff;
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.cal-dots {
  font-size: 0.75rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.cal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 2px;
}

.cal-day {
  display: flex;
  align-items: center;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid #f0f0f0;
  font-size: 0.9rem;
}

.cal-day:last-child {
  border-bottom: none;
}

.cal-day-name {
  width: 40px;
  font-weight: 700;
  color: var(--pheidi-dark-lighter);
  flex-shrink: 0;
}

.cal-event {
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.85rem;
  flex-grow: 1;
}

.cal-easy { background: rgba(76, 175, 80, 0.12); color: #388e3c; }
.cal-hard { background: rgba(227, 115, 50, 0.12); color: var(--pheidi-accent); }
.cal-long { background: rgba(70, 179, 157, 0.12); color: var(--pheidi-primary-dark); }
.cal-cross { background: rgba(33, 150, 243, 0.12); color: #1565c0; }
.cal-rest { background: #f8f8f8; color: #aaa; }

/* ---- Volume Modes ---- */
.volume-modes {
  background: var(--pheidi-white);
  border-radius: var(--pheidi-radius);
  box-shadow: var(--pheidi-shadow);
  padding: 1.5rem;
}

.volume-row {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.volume-row:last-child {
  margin-bottom: 0;
}

.volume-label {
  width: 80px;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--pheidi-dark-lighter);
  flex-shrink: 0;
}

.volume-bar {
  display: flex;
  flex: 1;
  gap: 3px;
}

.vb {
  flex: 1;
  text-align: center;
  padding: 0.4rem 0.2rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
}

.vb-easy { background: rgba(76, 175, 80, 0.15); color: #388e3c; }
.vb-hard { background: rgba(227, 115, 50, 0.15); color: var(--pheidi-accent); }
.vb-long { background: rgba(70, 179, 157, 0.15); color: var(--pheidi-primary-dark); }
.vb-cross { background: rgba(33, 150, 243, 0.15); color: #1565c0; }
.vb-rest { background: #f0f0f0; color: transparent; }
.vb-double { border: 2px dashed rgba(76, 175, 80, 0.4); }

/* ---- Coaching Comparison ---- */
.compare-card {
  border-radius: var(--pheidi-radius);
  padding: 1.25rem;
  height: 100%;
}

.compare-card h5 {
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.compare-other {
  background: #fef5f5;
  border: 1px solid #fdd;
}

.compare-other h5 { color: #c0392b; }

.compare-ours {
  background: #f0faf7;
  border: 2px solid var(--pheidi-primary);
}

.compare-ours h5 { color: var(--pheidi-primary); }

.compare-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
}

.compare-bad {
  background: #fff0e0;
  color: #e67e22;
}

.compare-bad i { color: #e67e22; }

.compare-good {
  background: #e8f5e9;
  color: #2e7d32;
}

.compare-good i { color: #2e7d32; }

.compare-week {
  display: flex;
  gap: 4px;
  justify-content: center;
}

.cw-day {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  flex-direction: column;
  line-height: 1;
}

.cw-done { background: #c8e6c9; color: #2e7d32; }
.cw-miss { background: #ffcdd2; color: #c62828; }
.cw-moved {
  background: #e8f5e9;
  color: #2e7d32;
  width: auto;
  border-radius: 14px;
  padding: 0 6px;
}

.cw-moved small { font-size: 0.55rem; }

/* ---- Science Cards ---- */
.science-card {
  background: var(--pheidi-white);
  border-radius: var(--pheidi-radius);
  padding: 1.5rem;
  box-shadow: var(--pheidi-shadow);
  height: 100%;
  transition: transform 0.2s;
}

.science-card:hover {
  transform: translateY(-3px);
}

.science-icon {
  font-size: 1.75rem;
  color: var(--pheidi-primary);
  margin-bottom: 0.75rem;
}

.science-card h5 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.science-card p {
  font-size: 0.88rem;
  color: var(--pheidi-dark-lighter);
  margin-bottom: 0;
}

/* ---- Stats ---- */
.stat-card {
  background: var(--pheidi-bg);
  border-radius: var(--pheidi-radius);
  padding: 1.5rem 1rem;
  height: 100%;
}

.stat-card i {
  font-size: 1.75rem;
  color: var(--pheidi-primary);
  margin-bottom: 0.5rem;
  display: block;
}

.stat-card h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.stat-card p {
  font-size: 0.82rem;
  color: var(--pheidi-dark-lighter);
  margin-bottom: 0;
}

/* ---- Compatibility ---- */
.compat-card {
  background: var(--pheidi-white);
  border-radius: var(--pheidi-radius);
  box-shadow: var(--pheidi-shadow);
  padding: 2rem 1.5rem;
  height: 100%;
}

.compat-card h5 {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.compat-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.compat-badge {
  background: var(--pheidi-bg);
  border-radius: 50px;
  padding: 0.35rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--pheidi-dark-lighter);
}

.compat-badge i {
  margin-right: 0.25rem;
  color: var(--pheidi-primary);
}

/* ---- Final CTA ---- */
#cta-final {
  background: linear-gradient(135deg, var(--pheidi-primary) 0%, #3ab5a0 50%, var(--pheidi-primary-dark) 100%);
  color: #fff;
  padding: 6rem 0;
}

.cta-title {
  font-size: 2.75rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.cta-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  line-height: 1.7;
}

#cta-final .btn-pheidi {
  background: #fff;
  color: var(--pheidi-primary-dark);
  font-size: 1.2rem;
  padding: 0.9rem 2.5rem;
}

#cta-final .btn-pheidi:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
}

/* ---- Footer ---- */
footer {
  background: var(--pheidi-dark);
  color: #ccc;
  padding: 3rem 0 1.5rem;
}

footer h5 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #aaa;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--pheidi-primary);
}

/* ---- Scroll Animations ---- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 991px) {
  .hero-title { font-size: 2.4rem; }
  .section-title { font-size: 1.8rem; }
  .feature-title { font-size: 1.4rem; }
  .cta-title { font-size: 2rem; }
  section { padding: 3.5rem 0; }
  .feature-block { padding: 2.5rem 0; }
}

@media (max-width: 767px) {
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 1.05rem; }
  .section-title { font-size: 1.5rem; }
  .feature-title { font-size: 1.25rem; }
  .cta-title { font-size: 1.6rem; }
  .cta-subtitle { font-size: 1rem; }
  section { padding: 3rem 0; }
  .feature-block { padding: 2rem 0; }

  .level-comparison {
    flex-direction: column;
  }

  .volume-label {
    width: 60px;
    font-size: 0.7rem;
  }

  .vb {
    font-size: 0.55rem;
    padding: 0.3rem 0.1rem;
  }
}

@media (max-width: 575px) {
  .hero-title { font-size: 1.65rem; }
  #hero { padding-top: 80px; min-height: 90vh; }
  .btn-pheidi.btn-lg { padding: 0.7rem 1.8rem; font-size: 1rem; }
}