/* ============================================================
   QUARTERBACK HEALTH — Main Stylesheet
   Aesthetic: Clean medical/health — warm, trustworthy, modern
   ============================================================ */

/* ---------- CSS VARIABLES ---------- */
:root {
  /* Primary palette — sophisticated healthcare blue */
  --color-primary: #1e5f8c;
  --color-primary-dark: #143f5e;
  --color-primary-light: #e8f1f8;
  --color-accent: #d4935e;
  --color-accent-hover: #bf7b3f;

  /* Neutrals — cool undertones to complement blue */
  --color-bg: #f8fafb;
  --color-bg-alt: #edf2f5;
  --color-surface: #ffffff;
  --color-text: #1f2d3d;
  --color-text-light: #556a7e;
  --color-border: #d6dee5;

  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Outfit', 'Segoe UI', system-ui, sans-serif;

  /* Spacing */
  --section-py: clamp(5rem, 10vw, 9rem);
  --container-max: 1200px;
  --radius: 12px;
  --radius-lg: 20px;

  /* Transitions */
  --ease: cubic-bezier(.4, 0, .2, 1);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }

/* ---------- UTILITIES ---------- */
.container {
  width: 90%;
  max-width: var(--container-max);
  margin: 0 auto;
}
.section-tag {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: .75rem;
}
.section-tag.center, .section-heading.center { text-align: center; }
.section-heading {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}
.section-heading em {
  color: var(--color-primary);
  font-style: italic;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-block;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .03em;
  padding: .9rem 2.2rem;
  border-radius: 50px;
  transition: all .3s var(--ease);
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30, 95, 140, .25);
}
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-full { width: 100%; text-align: center; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(250,250,248,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.site-header.scrolled {
  border-bottom-color: var(--color-border);
  background: rgba(250,250,248,.96);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo-img { height: 40px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-link {
  font-size: .88rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color .25s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--color-primary);
  transition: width .3s var(--ease);
}
.nav-link:hover { color: var(--color-primary); }
.nav-link:hover::after { width: 100%; }

.nav-cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: .55rem 1.4rem;
  border-radius: 50px;
}
.nav-cta::after { display: none; }
.nav-cta:hover {
  background: var(--color-primary-dark);
}

/* Mobile toggle */
.menu-toggle { display: none; width: 28px; height: 20px; position: relative; }
.menu-toggle span {
  position: absolute; left: 0; width: 100%; height: 2px;
  background: var(--color-text); border-radius: 2px;
  transition: all .3s var(--ease);
}
.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 9px; }
.menu-toggle span:nth-child(3) { top: 18px; }
.menu-toggle.active span:nth-child(1) { top: 9px; transform: rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { top: 9px; transform: rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('../images/hero-bg.jpg') center/cover no-repeat;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    135deg,
    rgba(20, 63, 94, .9) 0%,
    rgba(30, 95, 140, .78) 50%,
    rgba(31, 45, 61, .72) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 72px;
  max-width: 720px;
}
.hero-tag {
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  animation: fadeUp .8s var(--ease) both;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 1.05;
  color: #fff;
  margin-bottom: 1.25rem;
  animation: fadeUp .8s .15s var(--ease) both;
}
.hero-title em {
  color: var(--color-accent);
  font-style: italic;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.85);
  line-height: 1.7;
  margin-bottom: 2rem;
  animation: fadeUp .8s .3s var(--ease) both;
}
.hero .btn { animation: fadeUp .8s .45s var(--ease) both; }

.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll-hint span {
  display: block;
  width: 24px; height: 40px;
  border: 2px solid rgba(255,255,255,.4);
  border-radius: 12px;
  position: relative;
}
.hero-scroll-hint span::after {
  content: '';
  position: absolute;
  top: 6px; left: 50%;
  width: 4px; height: 8px;
  margin-left: -2px;
  background: rgba(255,255,255,.6);
  border-radius: 2px;
  animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: translateY(0); }
  50% { opacity: .3; transform: translateY(10px); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: var(--section-py) 0;
  background: var(--color-surface);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-image {
  position: relative;
}
.about-image-inner {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  z-index: 1;
  width: 100%;
}
.about-image-inner img {
  display: block;
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
}
.about-text p {
  color: var(--color-text-light);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  padding: var(--section-py) 0;
  background: var(--color-bg);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(30, 95, 140, .08);
  border-color: var(--color-primary);
}
.service-icon {
  width: 48px; height: 48px;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}
.service-card ul {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.service-card li {
  font-size: .9rem;
  color: var(--color-text-light);
  padding-left: 1rem;
  position: relative;
}
.service-card li::before {
  content: '';
  position: absolute;
  left: 0; top: .55em;
  width: 5px; height: 5px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ============================================================
   TEAM
   ============================================================ */
.team {
  padding: var(--section-py) 0;
  background: var(--color-surface);
}
.team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}
.team-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform .3s var(--ease), box-shadow .3s;
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,.06);
}
.team-card--featured {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2rem;
  align-items: start;
}
.team-photo {
  border-radius: var(--radius);
  overflow: hidden;
}
.team-photo img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}
.team-info h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: .25rem;
}
.team-role {
  font-size: .88rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: .75rem;
}
.team-tagline {
  font-size: .92rem;
  font-style: italic;
  color: var(--color-text-light);
  margin-bottom: .75rem;
}
.team-bio p {
  font-size: .92rem;
  color: var(--color-text-light);
  margin-bottom: .6rem;
}

/* ============================================================
   AUDIENCE SECTIONS (Founders / Organizations)
   ============================================================ */
.audience-section {
  padding: var(--section-py) 0;
}
.founders-section {
  background: var(--color-primary-light);
}
.orgs-section {
  background: var(--color-bg-alt);
}
.audience-content {
  max-width: 760px;
}
.audience-content > p {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}
.audience-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.audience-point {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-border);
}
.audience-point h4 {
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: .35rem;
  color: var(--color-primary-dark);
}
.audience-point p {
  font-size: .88rem;
  color: var(--color-text-light);
  line-height: 1.6;
}
.audience-ideal {
  font-size: .95rem;
  color: var(--color-text-light);
  margin-bottom: 1.75rem;
  padding: 1rem;
  border-left: 3px solid var(--color-accent);
  background: rgba(212, 147, 94, .06);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: var(--section-py) 0;
  background: var(--color-surface);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-info p {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact-detail svg {
  width: 24px; height: 24px;
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}
.contact-detail strong {
  display: block;
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: .15rem;
}
.contact-detail span,
.contact-detail a {
  font-size: .95rem;
  color: var(--color-text);
}
.contact-detail a:hover { color: var(--color-primary); }

.contact-form-wrap {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-group {
  margin-bottom: 1.15rem;
}
.form-group label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: .4rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: .95rem;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color .25s, box-shadow .25s;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 95, 140, .1);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,.7);
  padding: 3rem 0 2rem;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-logo { height: 32px; filter: brightness(0) invert(1); margin-bottom: .5rem; }
.footer-brand p { font-size: .85rem; }
.footer-links {
  display: flex;
  gap: 1.5rem;
}
.footer-links a {
  font-size: .88rem;
  color: rgba(255,255,255,.6);
  transition: color .25s;
}
.footer-links a:hover { color: #fff; }
.footer-copy p { font-size: .8rem; color: rgba(255,255,255,.4); }

/* ============================================================
   SCROLL REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .team-card--featured { grid-template-columns: 140px 1fr; }
}

@media (max-width: 768px) {
  /* Nav */
  .main-nav {
    position: fixed;
    top: 0; right: -100%;
    width: 80%; max-width: 320px;
    height: 100vh;
    background: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2rem 2rem;
    gap: 1.25rem;
    box-shadow: -4px 0 30px rgba(0,0,0,.1);
    transition: right .4s var(--ease);
  }
  .main-nav.open { right: 0; }
  .menu-toggle { display: block; z-index: 1001; }
  .nav-cta { margin-top: 1rem; }

  /* Hero */
  .hero { min-height: 90vh; }
  .hero-title { font-size: clamp(2.4rem, 9vw, 3.5rem); }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-image { max-width: 400px; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }

  /* Team */
  .team-grid { grid-template-columns: 1fr; }
  .team-card--featured { grid-template-columns: 120px 1fr; }

  /* Audience */
  .audience-points { grid-template-columns: 1fr; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
  .team-card--featured { grid-template-columns: 1fr; }
  .team-photo { max-width: 160px; }
}