/* ============================================================
   ONAKS DIGITAL HEALTH — Shared Stylesheet
   ============================================================ */

:root {
  --green-dark:    #0a4f30;
  --green:         #0d6e42;
  --green-mid:     #148a53;
  --green-light:   #e8f5ee;
  --green-xlight:  #f2faf5;
  --amber:         #d97706;
  --amber-light:   #fef3c7;
  --text:          #111827;
  --text-muted:    #4b5563;
  --text-light:    #9ca3af;
  --border:        #e5e7eb;
  --white:         #ffffff;
  --bg:            #f9fafb;
  --navy:          #0f2820;
  --font-sans:     'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-serif:    Georgia, 'Times New Roman', serif;
  --max-w:         1180px;
  --radius:        6px;
  --shadow:        0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:     0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg:     0 10px 25px rgba(0,0,0,0.1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ── Typography ── */
h1, h2, h3, h4, h5 { line-height: 1.25; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }
p  { color: var(--text-muted); line-height: 1.75; }

.text-green  { color: var(--green); }
.text-amber  { color: var(--amber); }
.text-muted  { color: var(--text-muted); }
.text-white  { color: var(--white); }
.text-center { text-align: center; }

/* ── Layout ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section    { padding: 80px 0; }
.section-sm { padding: 56px 0; }
.section-lg { padding: 112px 0; }
.divider    { border: none; border-top: 1px solid var(--border); margin: 48px 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.flex        { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.gap-4  { gap: 16px; }
.gap-6  { gap: 24px; }
.gap-8  { gap: 32px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px;
  font-size: 0.9375rem; font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer; transition: all 0.2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--green); color: var(--white);
  border-color: var(--green);
}
.btn-primary:hover { background: var(--green-dark); border-color: var(--green-dark); }

.btn-outline {
  background: transparent; color: var(--green);
  border-color: var(--green);
}
.btn-outline:hover { background: var(--green); color: var(--white); }

.btn-white {
  background: var(--white); color: var(--green-dark);
  border-color: var(--white);
}
.btn-white:hover { background: var(--green-xlight); }

.btn-amber {
  background: var(--amber); color: var(--white);
  border-color: var(--amber);
}
.btn-amber:hover { background: #b45309; border-color: #b45309; }

.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-sm { padding: 8px 18px; font-size: 0.875rem; }

/* ── Cards ── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
  box-shadow: var(--shadow);
}
.card:hover { box-shadow: var(--shadow-md); }

.card-green {
  background: var(--green-xlight);
  border-color: #c6e8d6;
}

/* ── Tags / Badges ── */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8125rem; font-weight: 600;
  letter-spacing: 0.02em;
}
.tag-green  { background: var(--green-light); color: var(--green-dark); }
.tag-amber  { background: var(--amber-light); color: #92400e; }
.tag-navy   { background: var(--navy); color: var(--white); }

/* ── Section labels ── */
.eyebrow {
  font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--green);
  margin-bottom: 12px; display: block;
}

/* ── Stat blocks ── */
.stat-value { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: var(--green-dark); line-height: 1; }
.stat-label { font-size: 0.9rem; color: var(--text-muted); margin-top: 4px; }

/* ── Feature icon ── */
.icon-box {
  width: 48px; height: 48px;
  background: var(--green-light);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; flex-shrink: 0;
  margin-bottom: 16px;
}

/* ── Check list ── */
.check-list li {
  display: flex; gap: 10px;
  padding: 6px 0; color: var(--text-muted);
}
.check-list li::before {
  content: "✓";
  color: var(--green); font-weight: 700; flex-shrink: 0;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.navbar-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.navbar-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.1rem; color: var(--green-dark);
  letter-spacing: -0.03em;
}
.navbar-brand .brand-icon {
  width: 36px; height: 36px; background: var(--green);
  border-radius: 8px; display: flex; align-items: center;
  justify-content: center; color: white; font-size: 1rem; font-weight: 900;
}
.navbar-brand .brand-sub { font-size: 0.7rem; font-weight: 500; color: var(--text-muted); display: block; letter-spacing: 0; }

.navbar-nav {
  display: flex; align-items: center; gap: 2px;
}
.navbar-nav a {
  padding: 7px 14px; border-radius: 6px;
  font-size: 0.9rem; font-weight: 500; color: var(--text);
  transition: all 0.15s;
}
.navbar-nav a:hover    { background: var(--green-light); color: var(--green-dark); }
.navbar-nav a.active   { color: var(--green); font-weight: 600; }

.navbar-cta { display: flex; align-items: center; gap: 10px; }

.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: all 0.2s; border-radius: 2px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; padding-bottom: 48px;
}
.footer-brand { color: white; }
.footer-brand .logo-text { font-size: 1.2rem; font-weight: 800; color: white; letter-spacing: -0.02em; }
.footer-brand p { margin-top: 12px; font-size: 0.9rem; line-height: 1.7; }
.footer h5 { color: white; font-size: 0.875rem; font-weight: 700; margin-bottom: 16px; letter-spacing: 0.03em; text-transform: uppercase; }
.footer ul li { padding: 5px 0; }
.footer ul li a { font-size: 0.9rem; transition: color 0.15s; }
.footer ul li a:hover { color: #6ee7b7; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.85rem;
}

/* ============================================================
   HERO SECTIONS
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--green-dark) 100%);
  color: white;
  padding: 96px 0;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { position: relative; z-index: 1; }
.hero p { color: rgba(255,255,255,0.8); }

.hero-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

.page-hero {
  background: var(--green-xlight);
  border-bottom: 1px solid #c6e8d6;
  padding: 56px 0;
}
.page-hero h1 { color: var(--green-dark); }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 11px 14px;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  font-size: 0.9375rem; font-family: var(--font-sans); color: var(--text);
  background: var(--white); transition: border-color 0.2s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(13,110,66,0.08); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ============================================================
   PRICING CARDS
   ============================================================ */
.pricing-card {
  border: 2px solid var(--border);
  border-radius: 12px; padding: 36px;
  position: relative; transition: all 0.2s;
}
.pricing-card.featured {
  border-color: var(--green);
  background: var(--green-xlight);
}
.pricing-card .price { font-size: 2.25rem; font-weight: 800; color: var(--text); }
.pricing-card .price span { font-size: 1rem; font-weight: 500; color: var(--text-muted); }
.pricing-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--green); color: white; padding: 4px 16px;
  border-radius: 20px; font-size: 0.8rem; font-weight: 700;
}

/* ============================================================
   MOBILE
   ============================================================ */
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .section-lg { padding: 72px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero { padding: 64px 0; }
  .page-hero { padding: 40px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .navbar-nav, .navbar-cta .btn-outline { display: none; }
  .hamburger { display: block; }
  .navbar-inner { height: 60px; }
  .btn-lg { padding: 12px 24px; font-size: 0.9375rem; }
}

/* ── Mobile menu ── */
.mobile-menu {
  display: none;
  position: fixed; inset: 0; z-index: 200;
  background: var(--white);
  flex-direction: column; padding: 24px;
}
.mobile-menu.open { display: flex; }
.mobile-menu-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.mobile-menu a { display: block; padding: 14px 0; font-size: 1.1rem; font-weight: 600; border-bottom: 1px solid var(--border); color: var(--text); }
.mobile-menu a:hover { color: var(--green); }
.mobile-close { background: none; border: none; font-size: 1.5rem; cursor: pointer; }