/* ========================================
   SHARED CSS — Nicholas Lee / nslegal-ip.com
   Used by index.html and all blog pages.
   ======================================== */

/* ========================================
   CSS CUSTOM PROPERTIES
   ======================================== */
:root {
  --bg: #050505;
  --surface: #0A0A0C;
  --violet: #623CEA;
  --violet-light: #A78BFA;
  --violet-glow: rgba(98, 60, 234, 0.15);
  --violet-glow-strong: rgba(98, 60, 234, 0.3);
  --white: #FFFFFF;
  --text: #E8E8E8;
  --text-secondary: #D8D8D8;
  --text-muted: #808080;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --glass: rgba(10, 10, 12, 0.92);
  --glass-border: rgba(255, 255, 255, 0.08);

  --font: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-w: 1200px;
  --section-pad: clamp(64px, 10vw, 120px);
  --gap: clamp(16px, 3vw, 32px);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ========================================
   RESET & BASE
   ======================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 18px;
  line-height: 1.8;
  font-weight: 400;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ========================================
   UTILITY
   ======================================== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--violet-light);
  margin-bottom: 48px;
}

.section-label::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--violet);
  border-radius: 1px;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ========================================
   BUTTONS
   ======================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--violet);
  color: var(--white);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(98, 60, 234, 0.3);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 500;
  border: 1px solid var(--border-hover);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-ghost:hover {
  color: var(--white);
  border-color: rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.03);
  transform: translateY(-2px);
}

/* ========================================
   HEADER / NAV
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 clamp(20px, 5vw, 48px);
  transition: background 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  background: var(--glass);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border-bottom-color: var(--glass-border);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

.header-logo span {
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 8px;
  font-size: 13px;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--violet);
  transition: width 0.3s var(--ease-out);
}

.nav-links a:hover {
  color: var(--white);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--white) !important;
  background: var(--violet);
  padding: 8px 20px;
  border-radius: 6px;
  transition: background 0.3s ease, transform 0.2s ease !important;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
  background: #7350f0;
  transform: translateY(-1px);
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  position: relative;
  width: 32px;
  height: 32px;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--white);
  position: absolute;
  left: 6px;
  transition: all 0.3s var(--ease-out);
}

.menu-toggle span:nth-child(1) { top: 10px; }
.menu-toggle span:nth-child(2) { top: 16px; }
.menu-toggle span:nth-child(3) { top: 22px; }

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg);
  top: 16px;
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg);
  top: 16px;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(5, 5, 5, 0.98);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  z-index: 999;
  padding: 40px clamp(20px, 5vw, 48px);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.3s ease, transform 0.3s var(--ease-out);
  pointer-events: none;
}

.mobile-nav.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.mobile-nav a {
  display: block;
  font-size: 28px;
  font-weight: 600;
  color: var(--text);
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s ease, padding-left 0.3s var(--ease-out);
}

.mobile-nav a:hover {
  color: var(--white);
  padding-left: 8px;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-toggle { display: block; }
  .mobile-nav { display: block; }

  .header-logo span { display: none; }
  .header-inner { justify-content: center; }
  .menu-toggle { position: absolute; right: clamp(20px, 5vw, 48px); }
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: start;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-left p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-left .disclaimer {
  font-style: italic;
  margin-top: 8px;
  font-size: 12px;
  color: #606060;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 32px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  border-color: var(--violet);
  background: rgba(98, 60, 234, 0.08);
}

.footer-social svg {
  width: 16px;
  height: 16px;
  fill: var(--text-muted);
  transition: fill 0.3s ease;
}

.footer-social a:hover svg {
  fill: var(--violet-light);
}

@media (max-width: 640px) {
  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .footer-right {
    flex-direction: column;
    gap: 16px;
  }
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}