/* ═══════════════════════════════════════════════════
   TENGGO — Animations  |  animations.css
   ═══════════════════════════════════════════════════ */

/* ── Keyframes ─────────────────────────────────────── */

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

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-36px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(36px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to   { transform: translateY(0); }
}

/* Float — hero decorations */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-14px); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%       { transform: translateY(-8px) rotate(1.5deg); }
}

@keyframes floatX {
  0%, 100% { transform: translateX(0); }
  50%       { transform: translateX(-10px); }
}

/* Shimmer — loading / CTA */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}

/* Pulse dot — live indicator */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.45; transform: scale(0.65); }
}

/* Ring pulse — badges, markers */
@keyframes pulse-ring {
  0%   { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.9); opacity: 0; }
}

/* Spin */
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Bounce */
@keyframes bounce {
  0%, 100% { transform: translateY(0); animation-timing-function: cubic-bezier(0.8,0,1,1); }
  50%       { transform: translateY(-18px); animation-timing-function: cubic-bezier(0,0,0.2,1); }
}

/* Gradient shift — hero background */
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Marquee — trust bar logos */
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Count up */
@keyframes countUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Draw line — timeline */
@keyframes drawLine {
  from { height: 0; opacity: 0; }
  to   { height: 100%; opacity: 1; }
}

/* Flip — countdown */
@keyframes flipIn {
  from { transform: rotateX(-90deg); opacity: 0; }
  to   { transform: rotateX(0deg);   opacity: 1; }
}

@keyframes flipOut {
  from { transform: rotateX(0deg);  opacity: 1; }
  to   { transform: rotateX(90deg); opacity: 0; }
}

/* Blob morph — decorative shapes */
@keyframes morphBlob {
  0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  25%       { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
  50%       { border-radius: 50% 50% 30% 60% / 30% 60% 70% 40%; }
  75%       { border-radius: 40% 70% 60% 30% / 60% 40% 50% 60%; }
}

/* Accordion */
@keyframes accordionOpen {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Shake — validation */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-7px); }
  40%       { transform: translateX(7px); }
  60%       { transform: translateX(-5px); }
  80%       { transform: translateX(5px); }
}

/* Button ripple */
@keyframes ripple-out {
  0%   { transform: scale(0); opacity: 0.8; }
  100% { transform: scale(1); opacity: 0; }
}

/* Page enter */
@keyframes pageEnter {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Glow pulse */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(13,122,154,0.2); }
  50%       { box-shadow: 0 0 40px rgba(13,122,154,0.45), 0 0 80px rgba(13,122,154,0.15); }
}

/* ── Scroll Reveal System (data-aos compatible, replaces AOS lib) ─────────
   GPU-composited: only animates opacity + transform (no layout reflow)
   IntersectionObserver in base.html adds .aos-animate when in viewport
   ─────────────────────────────────────────────────────────────────────── */

[data-aos] {
  transition-property: opacity, transform;
  transition-duration: 0.65s;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

[data-aos="fade-up"]    { opacity: 0; transform: translateY(28px); }
[data-aos="fade-down"]  { opacity: 0; transform: translateY(-24px); }
[data-aos="fade-left"]  { opacity: 0; transform: translateX(36px); }
[data-aos="fade-right"] { opacity: 0; transform: translateX(-36px); }
[data-aos="fade"]       { opacity: 0; }
[data-aos="zoom-in"]    { opacity: 0; transform: scale(0.92); }
[data-aos="zoom-out"]   { opacity: 0; transform: scale(1.08); }
[data-aos="flip-up"]    { opacity: 0; transform: perspective(600px) rotateX(-12deg) translateY(18px); }
[data-aos="slide-up"]   { opacity: 0; transform: translateY(40px); }

[data-aos].aos-animate  { opacity: 1 !important; transform: none !important; will-change: auto; }

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  [data-aos] { transition: none !important; }
  [data-aos].aos-animate { opacity: 1 !important; transform: none !important; }
}

/* ── Utility Animation Classes ─────────────────────── */

.anim-fade-in       { animation: fadeIn 0.55s cubic-bezier(0,0,0.2,1) both; }
.anim-fade-in-up    { animation: fadeInUp 0.65s cubic-bezier(0.16,1,0.3,1) both; }
.anim-fade-in-down  { animation: fadeInDown 0.65s cubic-bezier(0.16,1,0.3,1) both; }
.anim-fade-in-left  { animation: fadeInLeft 0.65s cubic-bezier(0.16,1,0.3,1) both; }
.anim-fade-in-right { animation: fadeInRight 0.65s cubic-bezier(0.16,1,0.3,1) both; }
.anim-scale-in      { animation: scaleIn 0.5s cubic-bezier(0.34,1.56,0.64,1) both; }
.anim-float         { animation: float 4.5s ease-in-out infinite; }
.anim-float-slow    { animation: floatSlow 6.5s ease-in-out infinite; }
.anim-spin          { animation: spin 1s linear infinite; }
.anim-bounce        { animation: bounce 1.4s infinite; }
.anim-page-enter    { animation: pageEnter 0.5s cubic-bezier(0.16,1,0.3,1) both; }
.anim-glow-pulse    { animation: glowPulse 2.5s ease-in-out infinite; }

/* Stagger delays */
.delay-50  { animation-delay: 0.05s; }
.delay-100 { animation-delay: 0.10s; }
.delay-150 { animation-delay: 0.15s; }
.delay-200 { animation-delay: 0.20s; }
.delay-250 { animation-delay: 0.25s; }
.delay-300 { animation-delay: 0.30s; }
.delay-400 { animation-delay: 0.40s; }
.delay-500 { animation-delay: 0.50s; }
.delay-600 { animation-delay: 0.60s; }
.delay-700 { animation-delay: 0.70s; }
.delay-800 { animation-delay: 0.80s; }

/* ── Shimmer button ──────────────────────────────────── */
.shimmer-btn {
  background: linear-gradient(90deg, var(--primary) 0%, #1ab8d8 48%, var(--primary) 100%);
  background-size: 200% auto;
  animation: shimmer 2.8s linear infinite;
  color: #fff;
}

/* ── Animated gradient background ──────────────────── */
.grad-animated {
  background: linear-gradient(-45deg, #E8F8FC, #F5FAFB, #FEF8E8, #E0F4F8);
  background-size: 400% 400%;
  animation: gradientShift 14s ease infinite;
}

/* ── Blob decoration ────────────────────────────────── */
.blob {
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  animation: morphBlob 12s ease-in-out infinite;
}

/* ── Marquee row ────────────────────────────────────── */
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }

/* ── Pulse ring ─────────────────────────────────────── */
.pulse-ring { position: relative; }
.pulse-ring::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: inherit;
  border: 2px solid var(--primary);
  animation: pulse-ring 2.2s cubic-bezier(0.215,0.61,0.355,1) infinite;
}

/* ── Timeline draw line ─────────────────────────────── */
.timeline-line { position: relative; }
.timeline-line::after {
  content: '';
  position: absolute;
  left: 50%; top: 0;
  width: 2px; background: var(--border);
  height: 100%;
  transform: translateX(-50%);
  z-index: 0;
}
.timeline-line-fill {
  position: absolute;
  left: 50%; top: 0;
  width: 2px;
  background: var(--grad-primary);
  height: 0;
  transform: translateX(-50%);
  transition: height 1s cubic-bezier(0.16,1,0.3,1);
  z-index: 1;
}

/* ── Accordion ──────────────────────────────────────── */
.accordion-body {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.42s cubic-bezier(0.16,1,0.3,1),
              opacity 0.3s ease;
}
.accordion-body.open { opacity: 1; }

/* ── Form shake ─────────────────────────────────────── */
.shake { animation: shake 0.4s var(--ease) both; }

/* ── Hover lift ─────────────────────────────────────── */
.hover-lift {
  transition: transform 0.28s cubic-bezier(0.34,1.56,0.64,1),
              box-shadow 0.28s ease;
}
.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* ── Hover scale ────────────────────────────────────── */
.hover-scale {
  transition: transform 0.28s cubic-bezier(0.34,1.56,0.64,1);
}
.hover-scale:hover { transform: scale(1.05); }

/* ── Number counter ─────────────────────────────────── */
.counter-number {
  display: inline-block;
  animation: countUp 0.5s cubic-bezier(0.16,1,0.3,1) both;
}

/* ── Mobile nav items stagger ───────────────────────── */
.mobile-nav .nav-link,
.mobile-nav > div {
  transform: translateY(14px);
  opacity: 0;
  transition: transform 0.38s cubic-bezier(0.16,1,0.3,1),
              opacity 0.32s ease;
}
.mobile-nav.open .nav-link,
.mobile-nav.open > div { transform: translateY(0); opacity: 1; }
.mobile-nav.open .nav-link:nth-child(2) { transition-delay: 0.04s; }
.mobile-nav.open .nav-link:nth-child(3) { transition-delay: 0.08s; }
.mobile-nav.open .nav-link:nth-child(4) { transition-delay: 0.12s; }
.mobile-nav.open .nav-link:nth-child(5) { transition-delay: 0.16s; }
.mobile-nav.open .nav-link:nth-child(6) { transition-delay: 0.20s; }
.mobile-nav.open .nav-link:nth-child(7) { transition-delay: 0.24s; }
.mobile-nav.open .nav-link:nth-child(8) { transition-delay: 0.28s; }
.mobile-nav.open .nav-link:nth-child(9) { transition-delay: 0.32s; }
.mobile-nav.open > div                  { transition-delay: 0.36s; }

/* ── VanillaTilt card ───────────────────────────────── */
.tilt-card { transform-style: preserve-3d; will-change: transform; }
.tilt-card-inner { transform: translateZ(18px); }

/* ── Skeleton loader ────────────────────────────────── */
@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface-3) 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.6s ease-in-out infinite;
  border-radius: var(--radius);
}

/* ── Focus visible (accessibility + polish) ─────────── */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}