:root {
  --bg: #FFFFFF;
  --bg-elevated: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F0F2F5;
  --bg-surface: #F0F2F5;

  --accent: #25D366;
  --accent-rgb: 37, 211, 102;
  --accent-dim: rgba(37, 211, 102, 0.07);
  --accent-mid: rgba(37, 211, 102, 0.12);
  --accent-glow: rgba(37, 211, 102, 0.18);
  --accent-solid: rgba(37, 211, 102, 0.90);

  --accent2: #5CDB94;
  --accent2-rgb: 92, 219, 148;
  --accent2-dim: rgba(92, 219, 148, 0.07);

  --green: #059669;
  --amber: #D97706;
  --red: #DC2626;

  --text: #000000;
  --text-secondary: #667781;
  --text-muted: #8696A0;

  --border: rgba(0, 0, 0, 0.07);
  --border-accent: rgba(37, 211, 102, 0.22);

  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --radius-full: 100px;

  --font-display: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-glow: 0 0 40px rgba(var(--accent-rgb), 0.10);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.012;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 0;
  background: rgba(255, 255, 255, 0.80);
  backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
nav.scrolled {
  padding: 10px 0;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
}
nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}
.nav-logo-icon {
  width: 42px;
  height: 42px;
  display: block;
  flex-shrink: 0;
  object-fit: contain;
}
.nav-logo-text {
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-actions { display: flex; gap: 12px; align-items: center; flex-shrink: 0; }
.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-body);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #FFFFFF;
}
.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: var(--shadow-glow), 0 0 60px rgba(var(--accent-rgb), 0.2);
  transform: translateY(-1px);
}
.btn-ghost {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(0, 0, 0, 0.15);
  background: var(--bg-card-hover);
}

main.subpage-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 112px 24px 100px;
  position: relative;
}
main.subpage-main::before {
  content: '';
  position: absolute;
  width: min(560px, 90vw);
  height: min(560px, 90vw);
  top: 40px;
  right: -180px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.06) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: -1;
}
main.subpage-main h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  margin-bottom: 8px;
}
main.subpage-main .muted {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 28px;
}
main.subpage-main > p { margin-bottom: 16px; color: var(--text-secondary); }
main.subpage-main h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 36px 0 14px;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--text);
}
main.subpage-main ul,
main.subpage-main ol {
  padding-left: 22px;
  margin: 12px 0 16px;
  color: var(--text-secondary);
}
main.subpage-main li { margin-bottom: 8px; }
main.subpage-main a:not(.btn) {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}
main.subpage-main a:not(.btn):hover { text-decoration: underline; }

.contact-email-secondary {
  margin-top: 28px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-muted);
}
.contact-email-secondary-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.contact-email-secondary a {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  word-break: break-all;
}
.contact-email-secondary a:hover {
  color: var(--accent);
}
.contact-email-secondary .contact-email-secondary-text {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.contact-form {
  margin-top: 20px;
  padding: 28px 28px 32px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}
.contact-form h2 {
  margin-top: 0;
  margin-bottom: 6px;
  font-size: 1.15rem;
}
.contact-form > .muted {
  margin-bottom: 22px;
}
.form-field {
  margin-bottom: 18px;
}
.form-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.form-field input {
  width: 100%;
  padding: 14px 16px;
  font-size: 15px;
  font-family: var(--font-body);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.contact-form .btn-primary {
  width: 100%;
  margin-top: 8px;
  padding: 14px 28px;
  font-size: 15px;
}
.form-feedback {
  display: none;
  margin-top: 20px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-secondary);
}
.form-feedback.visible { display: block; }
.form-feedback.error {
  border-color: #c45c5c;
  color: #6b2a2a;
}

footer {
  padding: 72px 0 40px;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom-links { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-bottom-links a { color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.footer-bottom-links a:hover { color: var(--text-secondary); }

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.mobile-open {
    display: flex;
    position: fixed;
    top: 69px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 20px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px) saturate(1.2);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    z-index: 99;
  }
  .nav-links.mobile-open li { width: 100%; }
  .nav-links.mobile-open a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.mobile-open a::after { display: none; }
  .nav-mobile-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}