/* ── PHR Website — Shared Styles ── */

:root {
  --phr-green: #2E8B57;
  --phr-green-dark: #236B43;
  --phr-green-light: #E8F5EE;
  --phr-green-accent: #3DA86E;
  --phr-text: #333;
  --phr-text-light: #666;
  --phr-bg: #FAFCFB;
  --phr-white: #FFFFFF;
  --phr-border: #E0E8E3;
  --phr-shadow: 0 2px 12px rgba(46, 139, 87, 0.08);
  --phr-shadow-lg: 0 8px 32px rgba(46, 139, 87, 0.12);
  --max-width: 1100px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.7;
  color: var(--phr-text);
  background: var(--phr-bg);
}

a { color: var(--phr-green); text-decoration: none; }
a:hover { color: var(--phr-green-dark); }

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

/* ── Navigation ── */
.site-nav {
  background: var(--phr-white);
  border-bottom: 2px solid var(--phr-green);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--phr-green);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo svg {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--phr-text);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--phr-green);
  border-bottom-color: var(--phr-green);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--phr-green);
}

/* ── Hero Section ── */
.hero {
  background: linear-gradient(135deg, var(--phr-green) 0%, var(--phr-green-dark) 100%);
  color: white;
  padding: 28px 24px;
  text-align: center;
}

.hero h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 1rem;
  max-width: 640px;
  margin: 0 auto 16px;
  opacity: 0.92;
  line-height: 1.6;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: white;
  color: var(--phr-green);
}

.btn-primary:hover {
  background: var(--phr-green-light);
  color: var(--phr-green-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: white;
  color: white;
}

/* ── Sections ── */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px;
}

.section-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--phr-green-dark);
  margin-bottom: 8px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--phr-text-light);
  margin-bottom: 14px;
  max-width: 640px;
}

.section-center {
  text-align: center;
}

.section-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* ── Feature Cards ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.feature-card {
  background: var(--phr-white);
  border: 1px solid var(--phr-border);
  border-radius: 10px;
  padding: 16px 18px;
  transition: all 0.2s;
}

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

.feature-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.feature-icon {
  width: 32px;
  height: 32px;
  background: var(--phr-green-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0;
  color: var(--phr-green-dark);
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--phr-text-light);
  line-height: 1.5;
}

/* ── Screenshots ── */
.screenshots-row {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 8px 0 16px;
  scroll-snap-type: x mandatory;
}

.screenshots-row img {
  border-radius: 12px;
  box-shadow: var(--phr-shadow-lg);
  height: 400px;
  width: auto;
  scroll-snap-align: start;
  flex-shrink: 0;
}

/* ── Privacy Highlights ── */
.privacy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.privacy-card {
  background: var(--phr-white);
  border: 1px solid var(--phr-border);
  border-radius: 12px;
  padding: 28px 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.privacy-card .icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--phr-green-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.privacy-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--phr-green-dark);
}

.privacy-card p {
  font-size: 0.9rem;
  color: var(--phr-text-light);
}

/* ── CTA Banner ── */
.cta-banner {
  background: linear-gradient(135deg, var(--phr-green) 0%, var(--phr-green-dark) 100%);
  color: white;
  text-align: center;
  padding: 20px 24px;
}

.cta-banner h2 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.cta-banner p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 28px;
}

/* ── Footer ── */
.site-footer {
  background: #1A1A1A;
  color: #999;
  padding: 24px 24px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand h3 {
  color: white;
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-links h4 {
  color: white;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 6px;
}

.footer-links a {
  color: #999;
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: var(--phr-green-accent);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 16px auto 0;
  padding-top: 16px;
  border-top: 1px solid #333;
  font-size: 0.8rem;
  text-align: center;
}

/* ── Content Pages ── */
.page-header {
  background: linear-gradient(135deg, var(--phr-green) 0%, var(--phr-green-dark) 100%);
  color: white;
  padding: 14px 24px;
  text-align: center;
}

.page-header h1 {
  font-size: 1.4rem;
  font-weight: 700;
}

.page-header p {
  font-size: 0.85rem;
  opacity: 0.9;
  margin-top: 4px;
}

.content-section {
  max-width: 780px;
  margin: 0 auto;
  padding: 20px 24px;
}

.content-section h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--phr-green-dark);
  margin-top: 20px;
  margin-bottom: 6px;
}

.content-section h2:first-child {
  margin-top: 0;
}

.content-section p {
  margin-bottom: 8px;
  color: var(--phr-text);
  font-size: 0.9rem;
  line-height: 1.5;
}

.content-section ul {
  margin: 4px 0 8px 20px;
}

.content-section li {
  margin-bottom: 4px;
  color: var(--phr-text);
  font-size: 0.9rem;
}

/* ── Contact Form ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--phr-green-dark);
  margin-bottom: 8px;
}

.contact-info p {
  margin-bottom: 6px;
  color: var(--phr-text-light);
  font-size: 0.88rem;
}

.contact-info a {
  font-weight: 500;
}

.contact-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 3px;
  color: var(--phr-text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--phr-border);
  border-radius: 6px;
  font-size: 0.88rem;
  font-family: inherit;
  margin-bottom: 10px;
  transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--phr-green);
  box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.1);
}

.contact-form textarea {
  height: 140px;
  resize: vertical;
}

.contact-form .btn {
  width: 100%;
}

/* ── Feature Detail Page ── */
.feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 20px;
}

.feature-detail:nth-child(even) {
  direction: rtl;
}

.feature-detail:nth-child(even) > * {
  direction: ltr;
}

.feature-detail img {
  border-radius: 12px;
  box-shadow: var(--phr-shadow-lg);
}

.feature-detail h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--phr-green-dark);
  margin-bottom: 8px;
}

.feature-detail p {
  color: var(--phr-text-light);
  font-size: 0.92rem;
  line-height: 1.5;
}

.feature-list {
  list-style: none;
  margin-top: 10px;
}

.feature-list li {
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
  color: var(--phr-text);
  font-size: 0.95rem;
}

.feature-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--phr-green);
  font-weight: 700;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: white;
    padding: 16px 24px;
    border-bottom: 2px solid var(--phr-green);
    gap: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  }
  .hero h1 { font-size: 2rem; }
  .hero { padding: 48px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .privacy-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .feature-detail {
    grid-template-columns: 1fr;
  }
  .feature-detail:nth-child(even) {
    direction: ltr;
  }
  .footer-inner { flex-direction: column; gap: 24px; }
  .screenshots-row img { height: 280px; }
}