/* ===== TokenSurf Shared Styles ===== */
/* Nav, footer, hamburger, and base variables used across all pages */

:root {
  --white: #f7f4ee;
  --cream: #eee9de;
  --dark: #1a1f3a;
  --mid: #2a3050;
  --light-text: #6a7080;
  --accent: #4f6df5;
  --accent-soft: rgba(79, 109, 245, 0.08);
  --green: #10a37f;
  --green-bg: rgba(16,163,127,0.08);
  --blue: #6c63ff;
  --orange: #e8590c;
  --orange-bg: rgba(221,107,32,0.08);
  --red: #e53e3e;
  --red-bg: rgba(229,62,62,0.08);
  --teal: #2563eb;
  --border: rgba(0,0,0,0.07);
  --card-bg: #fff;
  --code-bg: #1e2340;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--white);
  color: var(--dark);
  line-height: 1.6;
}

/* ===== NAV ===== */
nav {
  position: sticky;
  top: 0; z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 2.5rem;
  background: rgba(247, 244, 238, 0.7);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 1px 8px rgba(0,0,0,0.03);
}

.logo {
  font-family: 'Inter', sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--dark);
  text-decoration: none;
  letter-spacing: -0.03em;
  display: flex;
}
.logo em {
  font-style: normal;
  background: linear-gradient(135deg, #2563eb, #4f6df5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links { display: flex; align-items: center; gap: 0.25rem; }
.nav-links a {
  color: var(--light-text);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  transition: all 0.15s;
}
.nav-links a:hover { color: var(--dark); background: rgba(0,0,0,0.04); }
.nav-links a.active { color: var(--accent); font-weight: 700; }
.nav-btn-signup {
  background: var(--accent) !important; color: #fff !important;
  font-weight: 700 !important; border-radius: 100px !important;
  padding: 0.45rem 1.1rem !important; font-family: 'Inter' !important;
  font-size: 0.82rem !important;
  box-shadow: 0 2px 8px rgba(79,109,245,0.25);
  transition: all 0.2s !important;
}
.nav-btn-signup:hover {
  background: #3d5ae0 !important;
  box-shadow: 0 4px 16px rgba(79,109,245,0.3) !important;
  transform: translateY(-1px);
}
.nav-btn-login {
  color: var(--dark) !important; font-weight: 600 !important;
  border: 1.5px solid rgba(0,0,0,0.12) !important;
  border-radius: 100px !important; padding: 0.4rem 1rem !important;
  font-size: 0.82rem !important; transition: all 0.15s !important;
}
.nav-btn-login:hover {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
  background: rgba(79,109,245,0.04) !important;
}

/* ===== HAMBURGER ===== */
.hamburger {
  display: none; background: none; border: none;
  cursor: pointer; padding: 0.4rem; color: var(--dark);
}

@media (max-width: 768px) {
  .hamburger { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(247,244,238,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1rem 2rem 1.5rem;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.55rem 0; }
  .nav-btn-signup, .nav-btn-login { text-align: center; margin-top: 0.25rem; }
}

/* ===== FOOTER ===== */
footer {
  padding: 3rem 2rem;
  color: var(--light-text);
  font-size: 0.85rem;
  background: var(--cream);
}
.footer-inner {
  max-width: 1000px; margin: 0 auto;
  display: flex; justify-content: space-between;
  align-items: start; flex-wrap: wrap;
  gap: 2rem; text-align: left;
}
.footer-brand {
  font-family: 'Inter', sans-serif;
  font-weight: 900; font-size: 1.3rem;
  color: var(--dark); margin-bottom: 0.5rem;
}
.footer-brand span { color: #2563eb; }
.footer-col p.footer-heading {
  font-weight: 600; color: var(--dark);
  margin-bottom: 0.4rem;
}
.footer-col a {
  display: block; color: var(--light-text);
  text-decoration: none; padding: 0.15rem 0;
  font-size: 0.85rem; transition: color 0.15s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1000px; margin: 1.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0,0,0,0.08);
  font-size: 0.8rem; color: var(--light-text);
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
.reveal-d4 { transition-delay: 0.4s; }