/* ============================================================
   Daviworld – Shared Stylesheet
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --color-bg:        #0d1117;
  --color-surface:   #161b22;
  --color-surface2:  #21262d;
  --color-border:    #30363d;
  --color-accent:    #58a6ff;
  --color-accent2:   #3fb950;
  --color-text:      #e6edf3;
  --color-muted:     #8b949e;
  --color-white:     #ffffff;
  --color-orange:    #f78166;
  --font-sans:       'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono:       'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --radius:          8px;
  --radius-lg:       16px;
  --shadow:          0 4px 24px rgba(0,0,0,.4);
  --transition:      0.25s ease;
  --max-width:       1100px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-white); }
ul { list-style: none; }

/* ---------- Utility ---------- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section    { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.text-center { text-align: center; }
.text-muted  { color: var(--color-muted); }

/* ---------- Navigation ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13,17,23,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.navbar-brand {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.5px;
}
.navbar-brand span { color: var(--color-accent); }
.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.navbar-links a {
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}
.navbar-links a:hover, .navbar-links a.active { color: var(--color-white); }
.navbar-cta {
  background: var(--color-accent);
  color: var(--color-bg) !important;
  padding: 8px 20px;
  border-radius: var(--radius);
  font-weight: 600 !important;
}
.navbar-cta:hover { background: #79c0ff; color: var(--color-bg) !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--color-text); border-radius: 2px; transition: var(--transition); }

/* ---------- Hero ---------- */
.hero {
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(88,166,255,.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(88,166,255,.1);
  border: 1px solid rgba(88,166,255,.25);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 40px;
  margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  color: var(--color-white);
}
.hero h1 .accent { color: var(--color-accent); }
.hero p {
  font-size: 1.15rem;
  color: var(--color-muted);
  max-width: 600px;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 380px;
}
.hero-card .comment { color: var(--color-muted); }
.hero-card .keyword { color: #ff7b72; }
.hero-card .string  { color: #a5d6ff; }
.hero-card .fn      { color: #d2a8ff; }
.hero-card line { display: block; margin-bottom: 4px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}
.btn-primary:hover { background: #79c0ff; border-color: #79c0ff; color: var(--color-bg); }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn-sm { padding: 8px 20px; font-size: 0.875rem; }

/* ---------- Section Headings ---------- */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--color-white);
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover { border-color: var(--color-accent); transform: translateY(-4px); box-shadow: var(--shadow); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  font-size: 2rem;
  margin-bottom: 20px;
  display: block;
}
.service-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--color-white); margin-bottom: 12px; }
.service-card p  { color: var(--color-muted); font-size: 0.95rem; margin-bottom: 20px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: var(--color-surface2);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 20px;
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
}
.pricing-card.featured {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, rgba(88,166,255,.08), rgba(63,185,80,.05));
  position: relative;
}
.pricing-card.featured::after {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-bg);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 16px;
  border-radius: 20px;
  white-space: nowrap;
}
.pricing-card:hover { border-color: var(--color-accent); transform: translateY(-4px); box-shadow: var(--shadow); }
.pricing-icon { font-size: 2.2rem; margin-bottom: 16px; display: block; }
.pricing-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--color-white); margin-bottom: 6px; }
.pricing-duration { font-size: 0.85rem; color: var(--color-muted); margin-bottom: 20px; }
.pricing-price { font-size: 2.4rem; font-weight: 800; color: var(--color-accent); margin-bottom: 4px; }
.pricing-price sup { font-size: 1.2rem; font-weight: 700; vertical-align: super; }
.pricing-card p { color: var(--color-muted); font-size: 0.9rem; margin-bottom: 28px; line-height: 1.5; }
.pricing-card .btn { width: 100%; justify-content: center; }

/* ---------- Stats ---------- */
.stats-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  padding: 40px 24px;
  text-align: center;
  border-right: 1px solid var(--color-border);
}
.stat-item:last-child { border-right: none; }
.stat-number { font-size: 2.4rem; font-weight: 800; color: var(--color-accent); line-height: 1; margin-bottom: 8px; }
.stat-label  { font-size: 0.9rem; color: var(--color-muted); }

/* ---------- Tech Stack ---------- */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 48px;
}
.tech-pill {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 10px 20px;
  border-radius: 40px;
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition);
}
.tech-pill:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, rgba(88,166,255,.12), rgba(63,185,80,.08));
  border: 1px solid rgba(88,166,255,.2);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
}
.cta-banner h2 { font-size: 2rem; font-weight: 800; color: var(--color-white); margin-bottom: 16px; }
.cta-banner p  { color: var(--color-muted); font-size: 1.05rem; margin-bottom: 32px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .navbar-brand { display: inline-block; margin-bottom: 16px; }
.footer-brand p { color: var(--color-muted); font-size: 0.9rem; max-width: 280px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: var(--color-surface2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-muted);
  font-size: 0.85rem;
  transition: all var(--transition);
  text-decoration: none;
}
.social-link:hover { border-color: var(--color-accent); color: var(--color-accent); background: rgba(88,166,255,.08); }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: var(--color-muted); font-size: 0.9rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--color-white); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p  { color: var(--color-muted); font-size: 0.85rem; }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { color: var(--color-muted); font-size: 0.85rem; }
.footer-legal a:hover { color: var(--color-white); }

/* ---------- Inner Page Hero ---------- */
.page-hero {
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 20% 50%, rgba(88,166,255,.08) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero .section-label { display: block; margin-bottom: 12px; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: var(--color-white); margin-bottom: 16px; letter-spacing: -0.5px; }
.page-hero p   { font-size: 1.05rem; color: var(--color-muted); max-width: 660px; }

/* ---------- Content Pages ---------- */
.content-page { padding: 64px 0 80px; }
.content-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px;
}
.content-block h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-top: 40px;
  margin-bottom: 16px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}
.content-block h2:first-of-type { margin-top: 0; padding-top: 0; border-top: none; }
.content-block h3 { font-size: 1.15rem; font-weight: 700; color: var(--color-white); margin-top: 28px; margin-bottom: 12px; }
.content-block p  { color: var(--color-muted); margin-bottom: 16px; }
.content-block ul, .content-block ol { color: var(--color-muted); padding-left: 20px; margin-bottom: 16px; }
.content-block li { margin-bottom: 8px; list-style: disc; }
.content-block ol li { list-style: decimal; }
.content-block strong { color: var(--color-text); }
.content-block a { color: var(--color-accent); }
.content-block .highlight-box {
  background: rgba(88,166,255,.07);
  border: 1px solid rgba(88,166,255,.2);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 20px 0;
}
.content-block .highlight-box p { margin: 0; }

/* ---------- SMS Opt-in specific ---------- */
.optin-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 32px 0;
}
.step-card {
  background: var(--color-surface2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: var(--color-accent);
  color: var(--color-bg);
  font-weight: 800;
  font-size: 1rem;
  border-radius: 50%;
  margin-bottom: 16px;
}
.step-card h3 { font-size: 1rem; font-weight: 700; color: var(--color-white); margin-bottom: 8px; }
.step-card p  { font-size: 0.9rem; color: var(--color-muted); margin: 0; }
.keyword-highlight {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  padding: 4px 16px;
  border-radius: 6px;
  letter-spacing: 0.05em;
}
.shortcode-box {
  background: var(--color-surface2);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin: 24px 0;
}
.shortcode-box .shortcode { font-size: 3rem; font-weight: 800; color: var(--color-accent); font-family: var(--font-mono); line-height: 1; margin-bottom: 8px; }
.shortcode-box p { color: var(--color-muted); margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .navbar-links { display: none; }
  .navbar-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0; right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 24px;
    gap: 16px;
  }
  .hamburger { display: flex; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .content-block { padding: 28px 20px; }
  .cta-banner { padding: 40px 24px; }
  .hero { padding: 80px 0 60px; }
}