/* ============================================================
   SmartCard PRO — Main Styles
   ============================================================ */

/* Fonts loaded via <link> in index.html for performance */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  background: var(--background);
  color: var(--foreground);
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
  line-height: 1.6;
}

::selection {
  background: var(--accent-crema);
  color: var(--background);
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--background); }
::-webkit-scrollbar-thumb {
  background: var(--accent-terracotta);
  opacity: 0.4;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { opacity: 0.7; }

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

/* ── Typography ─────────────────────────────────── */
.font-serif { font-family: var(--font-serif); }
.font-heading { font-family: var(--font-heading); }

.section { padding: 6rem 1.5rem; position: relative; }
.section-alt { background: var(--secondary); }
.container { max-width: 80rem; margin: 0 auto; }

.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent-terracotta);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 500;
  line-height: 1.2;
  margin-top: 0.75rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-crema), var(--accent-terracotta));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-center { text-align: center; }
.text-muted { color: var(--muted-foreground); }

/* ── Glassmorphism ──────────────────────────────── */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
}

.glass-strong {
  background: var(--glass-bg);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid var(--glass-border);
}

/* ── Buttons ────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  transition: transform var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}
.btn:hover { transform: scale(1.05); }
.btn svg { width: 1rem; height: 1rem; }

.btn-primary {
  background: var(--accent-terracotta);
  color: #FDFCFB;
  box-shadow: 0 4px 16px rgba(166, 84, 54, 0.3);
}

.btn-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  color: var(--foreground);
}

/* Ripple effect */
.ripple { position: relative; overflow: hidden; }
.ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transform: scale(0);
  animation: ripple 0.6s ease-out;
  pointer-events: none;
}

/* ── Logo ───────────────────────────────────────── */
.brand-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  color: var(--foreground);
}
.brand-logo .logo-icon { width: 2.5rem; height: 2.5rem; }
.brand-logo .logo-divider {
  width: 2rem;
  height: 1.5px;
  background: var(--accent-terracotta);
  margin: 0.25rem 0;
}
.brand-logo .logo-wordmark {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.3em;
  font-size: 0.85rem;
}
.brand-logo .logo-wordmark sup { font-size: 0.4em; opacity: 0.7; margin-left: 0.1em; }
.brand-logo .logo-sub {
  font-family: var(--font-serif);
  letter-spacing: 0.45em;
  font-size: 0.5rem;
  color: var(--accent-terracotta);
  padding-left: 0.45em;
}

/* ── Navbar ─────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  transition: all var(--transition);
}
.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
}
.navbar-inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar-brand {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.25em;
  font-size: 0.9rem;
}
.navbar-brand .sub {
  color: var(--accent-terracotta);
  letter-spacing: 0.35em;
  font-size: 0.75rem;
}
.navbar-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.navbar-links a {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-foreground);
  transition: color var(--transition);
  position: relative;
}
.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 1px;
  background: var(--accent-terracotta);
  transition: width var(--transition);
}
.navbar-links a:hover { color: var(--foreground); }
.navbar-links a:hover::after { width: 75%; }
.navbar-actions { display: flex; align-items: center; gap: 0.5rem; }

.icon-btn {
  padding: 0.5rem;
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition);
}
.icon-btn:hover { transform: scale(1.1); }
.icon-btn svg { width: 1rem; height: 1rem; }

.navbar-toggle { display: none; }

/* ── Mobile menu ───────────────────────────────── */
.mobile-menu {
  display: none;
  background: var(--glass-bg);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border-top: 1px solid var(--glass-border);
  overflow: hidden;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 0.75rem 1rem;
  margin: 0 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-foreground);
  border-radius: 0.5rem;
  transition: background var(--transition);
}
.mobile-menu a:hover { background: var(--muted); color: var(--foreground); }