/* ═══════════════════════════════════════════════════════════
   Daichman Ricardo MD — Premium Dark Luxury Styles
   Plum + Amber palette on deep dark backgrounds
   ═══════════════════════════════════════════════════════════ */

/* ── Base ── */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(217, 119, 6, 0.3);
  color: #fbbf24;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #07030e;
}
::-webkit-scrollbar-thumb {
  background: rgba(217, 119, 6, 0.3);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(217, 119, 6, 0.5);
}

/* ── Navigation ── */
#nav {
  background: transparent;
  transition: background 0.5s ease, box-shadow 0.5s ease, backdrop-filter 0.5s ease;
}

#nav.scrolled {
  background: rgba(3, 1, 5, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, #fbbf24, #d97706);
  transition: width 0.3s ease;
}

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

/* ── Mobile Menu ── */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

#mobile-menu.closed {
  opacity: 0;
  pointer-events: none;
}

.menu-line {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#menu-btn.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

#menu-btn.active .menu-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

#menu-btn.active .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
  width: 1.4rem;
}

/* ── Hero Scroll Indicator ── */
@keyframes scroll-indicator {
  0% { top: -12px; opacity: 0; }
  30% { opacity: 1; }
  70% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

.animate-scroll-indicator {
  animation: scroll-indicator 1.5s ease-in-out infinite;
}

/* ── Service Cards ── */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(251, 191, 36, 0), transparent);
  transition: background 0.5s ease;
}

.service-card:hover::before {
  background: linear-gradient(90deg, transparent, rgba(251, 191, 36, 0.3), transparent);
}

/* ── Input Focus States ── */
input:focus,
textarea:focus {
  background: rgba(3, 1, 5, 0.8);
}

/* ── Reveal Animations (below-fold only) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal.revealed {
    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; }
  .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ── Responsive ── */
@media (max-width: 767px) {
  .font-display {
    line-height: 1.1;
  }
}