/* ============================================================
   StrataOPS Official — Animations CSS
   Scroll Reveals, Keyframes, Micro-interactions
   ============================================================ */

/* ── Reveal Animation ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.75s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.75s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ── FadeIn Up Keyframe ──────────────────────────────────── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ── Glass Shimmer ───────────────────────────────────────── */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ── Gradient Border Pulse ────────────────────────────────── */
@keyframes gradientPulse {
  0%, 100% { border-color: rgba(139, 105, 20, 0.2); }
  50% { border-color: rgba(212, 168, 67, 0.4); }
}

/* ── Card Glow Hover ─────────────────────────────────────── */
.glass-card {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              background 0.35s ease,
              border-color 0.35s ease,
              box-shadow 0.35s ease;
}

/* ── Offer Cards Entrance ────────────────────────────────── */
.offer-card.visible,
.service-card.visible,
.why-card.visible,
.fv-card.visible,
.pillar-card.visible,
.value-item.visible,
.exp-item.visible {
  animation: scaleIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ── Button Ripple Effect ────────────────────────────────── */
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}

@keyframes rippleAnim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ── Number Counter Animation ───────────────────────────── */
.stat-number {
  transition: none;
}

/* ── Step Timeline Connector ─────────────────────────────── */
.step-line {
  transition: opacity 0.5s ease;
}

/* Nav underline logic is in styles.css → .nav-link::after */

/* ── Page Transition Overlay ─────────────────────────────── */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  z-index: 9998;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.page-transition-overlay.entering {
  opacity: 1;
}

/* ── Parallax Orbs ───────────────────────────────────────── */
.orb {
  will-change: transform;
}

/* ── Input Focus Glow ────────────────────────────────────── */
.input-wrap input:focus,
.input-wrap textarea:focus,
.input-wrap select:focus {
  box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.15),
              inset 0 0 0 1px rgba(212, 168, 67, 0.3);
}

/* ── Hover Tilt Cards ────────────────────────────────────── */
.offer-card,
.service-card,
.why-card,
.fv-card {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              background 0.3s ease,
              border-color 0.3s ease,
              box-shadow 0.3s ease;
  transform-style: preserve-3d;
  will-change: transform;
}

/* ── Gradient Text Shimmer ────────────────────────────────── */
.hero-heading .gradient-text {
  background-size: 200% auto;
  animation: gradientShimmer 4s linear infinite;
}

@keyframes gradientShimmer {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.gradient-text {
  background: linear-gradient(
    135deg,
    #6b4f0a 0%,
    #c9a84c 38%,
    #f5d060 65%,
    #c9a84c 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShimmer 6s linear infinite;
}

/* ── Logo Icon Pulse ─────────────────────────────────────── */
.logo-img {
  animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { filter: drop-shadow(0 0 0px rgba(212, 168, 67, 0)); }
  50% { filter: drop-shadow(0 0 8px rgba(212, 168, 67, 0.5)); }
}

/* ── Scroll to Top indicator ─────────────────────────────── */
.scroll-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient);
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: none;
  z-index: 100;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s, transform 0.3s;
  box-shadow: 0 4px 20px rgba(212, 168, 67, 0.35);
}

.scroll-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(212, 168, 67, 0.5);
}

/* ── Tilt Effect Keyframes ───────────────────────────────── */
@keyframes tiltIn {
  from { transform: rotateY(-5deg) rotateX(3deg); opacity: 0; }
  to { transform: rotateY(0) rotateX(0); opacity: 1; }
}

/* ── Morphing gradient borders ───────────────────────────── */
.section-badge {
  animation: badgePulse 4s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(212, 168, 67, 0); }
  50% { box-shadow: 0 0 12px 2px rgba(212, 168, 67, 0.18); }
}

/* ── Founder image reveal ────────────────────────────────── */
.founder-image-frame {
  animation: founderReveal 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes founderReveal {
  from {
    opacity: 0;
    transform: scale(0.95) translateX(-20px);
    filter: blur(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateX(0);
    filter: blur(0);
  }
}

/* ── Mobile menu link stagger ────────────────────────────── */
.mobile-menu.open .mobile-nav-link {
  animation: mobileLinkIn 0.4s ease forwards;
}

.mobile-menu.open li:nth-child(1) .mobile-nav-link { animation-delay: 0.05s; }
.mobile-menu.open li:nth-child(2) .mobile-nav-link { animation-delay: 0.1s; }
.mobile-menu.open li:nth-child(3) .mobile-nav-link { animation-delay: 0.15s; }
.mobile-menu.open li:nth-child(4) .mobile-nav-link { animation-delay: 0.2s; }
.mobile-menu.open li:nth-child(5) .mobile-nav-link { animation-delay: 0.25s; }
.mobile-menu.open li:nth-child(6) .mobile-nav-link { animation-delay: 0.3s; }

@keyframes mobileLinkIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ── Bar fill on scroll ──────────────────────────────────── */
.bar-fill {
  transform-origin: left;
}

/* ── Particle noise texture overlay ──────────────────────── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9997;
  opacity: 0.4;
}