/* ═══════════════════════════════════════════════════════════════════
   Frog-Apps LLC — site.css
   Design tokens → reset → layout utilities → components
   ═══════════════════════════════════════════════════════════════════ */

/* ── Design Tokens ───────────────────────────────────────────────── */
:root {
  /* Brand */
  --color-brand:          #22c55e;   /* green-500  */
  --color-brand-dark:     #16a34a;   /* green-600  */
  --color-brand-light:    #bbf7d0;   /* green-200  */
  --color-brand-glow:     rgba(34, 197, 94, 0.15);

  /* Neutrals */
  --color-bg:             #0a0f0d;
  --color-surface:        #111814;
  --color-surface-2:      #182118;
  --color-surface-3:      #1f2b20;
  --color-border:         rgba(255,255,255,0.07);
  --color-border-hover:   rgba(34,197,94,0.35);

  /* Text */
  --color-text-primary:   #f0faf3;
  --color-text-secondary: #94a89a;
  --color-text-muted:     #5a6e5d;

  /* Accents */
  --color-tst:            #22c55e;
  --color-fhir:           #3b82f6;
  --color-slk:            #f59e0b;
  --color-consulting:     #8b5cf6;

  /* Typography */
  --font-sans:            'Inter', system-ui, -apple-system, sans-serif;
  --font-size-base:       1rem;
  --line-height-base:     1.6;

  /* Spacing */
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2.5rem;
  --space-2xl:  4rem;
  --space-3xl:  6rem;

  /* Layout */
  --container-max:  1200px;
  --container-pad:  1.5rem;
  --radius-sm:      0.375rem;
  --radius-md:      0.75rem;
  --radius-lg:      1.25rem;
  --radius-xl:      2rem;

  /* Motion */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --duration:   220ms;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Layout Utilities ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-3xl);
}

.section--alt {
  background-color: var(--color-surface);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-brand);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.section-sub {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
}

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-md);
  font-size: 0.925rem;
  font-weight: 600;
  transition: all var(--duration) var(--ease-out);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-brand);
  color: #0a0f0d;
}
.btn-primary:hover {
  background: var(--color-brand-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--color-brand-glow);
}

.btn-outline {
  border: 1.5px solid var(--color-border-hover);
  color: var(--color-brand);
}
.btn-outline:hover {
  background: var(--color-brand-glow);
  border-color: var(--color-brand);
}

.btn-outline-sm {
  border: 1.5px solid var(--color-border-hover);
  color: var(--color-brand);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--duration) var(--ease-out);
}
.btn-outline-sm:hover {
  background: var(--color-brand-glow);
}

.btn-ghost {
  color: var(--color-text-secondary);
}
.btn-ghost:hover {
  color: var(--color-text-primary);
}

.btn-full { width: 100%; }

.btn-disabled {
  opacity: 0.45;
  pointer-events: none;
}

/* ── Navigation ──────────────────────────────────────────────────── */
.nav-bar {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 100;
  background: rgba(10, 15, 13, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 1.1rem;
}
.brand-logo { 
  height: 36px; 
  width: auto;
}
.brand-llc-text { 
  color: var(--color-brand); 
  font-weight: 400;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  transition: color var(--duration);
}
.nav-links a:hover { color: var(--color-text-primary); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-secondary);
  border-radius: 2px;
  transition: all var(--duration);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: var(--space-md) var(--container-pad) var(--space-lg);
  border-top: 1px solid var(--color-border);
  gap: var(--space-md);
}
.nav-mobile a {
  font-size: 1rem;
  color: var(--color-text-secondary);
  padding: var(--space-sm) 0;
}
.nav-mobile.open { display: flex; }

/* ── Hero ────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 64px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(34,197,94,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 70%, rgba(34,197,94,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 760px;
  padding-block: var(--space-3xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border-hover);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-brand);
  margin-bottom: var(--space-lg);
  background: var(--color-brand-glow);
}

.hero-headline {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--color-text-secondary);
  max-width: 540px;
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: var(--container-pad);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scroll-line {
  width: 40px;
  height: 1px;
  background: var(--color-text-muted);
}

/* ── Product Cards ───────────────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  align-items: start;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--duration), transform var(--duration) var(--ease-out),
              box-shadow var(--duration);
}
.product-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.product-card--featured {
  border-color: rgba(34,197,94,0.25);
  background: linear-gradient(160deg, var(--color-surface-3) 0%, var(--color-surface-2) 100%);
}
.product-card--featured:hover {
  border-color: var(--color-brand);
  box-shadow: 0 8px 40px var(--color-brand-glow);
}

.product-card-header {
  position: relative;
  padding: var(--space-xl) var(--space-xl) var(--space-md);
}

.product-icon {
  font-size: 2.5rem;
  line-height: 1;
}

.product-badge {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  padding: 2px 10px;
  background: var(--color-brand);
  color: #0a0f0d;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 100px;
}

.product-card-body {
  padding: 0 var(--space-xl) var(--space-lg);
  flex: 1;
}

.product-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.product-tagline {
  font-size: 0.9rem;
  color: var(--color-brand);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.product-desc {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-lg);
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}
.product-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}
.product-features li::before {
  content: '✓';
  color: var(--color-brand);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.product-price {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}
.price-amount {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-text-primary);
}
.price-note {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}
.price-coming {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  font-style: italic;
}

.product-card-footer {
  padding: var(--space-md) var(--space-xl) var(--space-xl);
}

/* ── Service Cards ───────────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.service-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: border-color var(--duration), transform var(--duration) var(--ease-out);
}
.service-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.service-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.services-cta {
  text-align: center;
}
.services-cta p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

/* ── About ───────────────────────────────────────────────────────── */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--space-3xl);
  align-items: center;
}

.about-text .section-label { margin-bottom: var(--space-sm); }
.about-text .section-title { text-align: left; margin-bottom: var(--space-lg); }
.about-text p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  font-size: 1rem;
  line-height: 1.75;
}

.about-stats {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}
.stat-number {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-brand);
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.about-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
}
.about-card-icon {
  font-size: 3.5rem;
  margin-bottom: var(--space-lg);
}
.about-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}
.about-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ── Contact ─────────────────────────────────────────────────────── */
.contact-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  max-width: 840px;
  margin-inline: auto;
  margin-top: var(--space-xl);
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-sm);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: border-color var(--duration), transform var(--duration) var(--ease-out);
}
.contact-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}
.contact-icon { font-size: 1.75rem; }
.contact-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-primary);
}
.contact-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ── Footer ──────────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-2xl);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
}
.footer-brand .brand-logo {
  height: 30px;
  width: auto;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
}
.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--duration);
}
.footer-links a:hover { color: var(--color-text-primary); }
.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .about-layout {
    grid-template-columns: 1fr;
  }
  .about-visual { order: -1; max-width: 380px; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .hero-headline { font-size: 2.4rem; }
  .hero-scroll-hint { display: none; }

  .about-stats { flex-direction: column; gap: var(--space-lg); }

  .section { padding-block: var(--space-2xl); }
}