/* ============================================================
   HEAT SMART LTD — animations.css
   Scroll reveals, entrance animations, micro-interactions
   ============================================================ */

/* ── REVEAL BASE ─────────────────────────────────────────── */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* ── SCROLL REVEAL (generic) ─────────────────────────────── */
.scroll-reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}
.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── DELAY HELPERS ───────────────────────────────────────── */
[data-delay="0"]   { transition-delay: 0ms; }
[data-delay="50"]  { transition-delay: 50ms; }
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="150"] { transition-delay: 150ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="250"] { transition-delay: 250ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="350"] { transition-delay: 350ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="450"] { transition-delay: 450ms; }
[data-delay="500"] { transition-delay: 500ms; }
[data-delay="600"] { transition-delay: 600ms; }
[data-delay="700"] { transition-delay: 700ms; }
[data-delay="800"] { transition-delay: 800ms; }

/* ── FADE IN UP (keyframe alternative) ───────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}

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

/* ── NAV UNDERLINE HOVER ─────────────────────────────────── */
.nav-link {
  transition: color 0.25s ease;
}

/* ── BUTTON MAGNETIC EFFECT ──────────────────────────────── */
.magnetic {
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── STAGGER CHILDREN ────────────────────────────────────── */
.stagger-children > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.stagger-children.visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0ms; }
.stagger-children.visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 80ms; }
.stagger-children.visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 160ms; }
.stagger-children.visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 240ms; }
.stagger-children.visible > *:nth-child(5) { opacity: 1; transform: none; transition-delay: 320ms; }
.stagger-children.visible > *:nth-child(6) { opacity: 1; transform: none; transition-delay: 400ms; }

/* ── HERO TEXT LINE STAGGER ──────────────────────────────── */
.hero-headline .line {
  display: block;
  overflow: hidden;
}

/* ── CARD TILT EFFECT ────────────────────────────────────── */
.service-card {
  transform-style: preserve-3d;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s,
              box-shadow 0.4s;
}

/* ── GLOW PULSE ──────────────────────────────────────────── */
@keyframes glowPulse {
  0%,100% { box-shadow: 0 0 24px rgba(34,197,94,0.2); }
  50%     { box-shadow: 0 0 48px rgba(34,197,94,0.45); }
}

.btn-primary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

/* ── GRADIENT SHIMMER TEXT ───────────────────────────────── */
.gradient-text {
  background-size: 200% auto;
  animation: gradientShift 4s linear infinite;
}
@keyframes gradientShift {
  0%   { background-position: 0% center; }
  100% { background-position: 200% center; }
}

/* ── PROGRESS BAR ANIMATION ──────────────────────────────── */
@keyframes progressGrow {
  from { transform: scaleX(0); transform-origin: left; }
  to   { transform: scaleX(1); }
}

/* ── CARD HOVER GLOW SWEEP ───────────────────────────────── */
.service-card::after {
  content: '';
  position: absolute;
  top: -100%;
  left: -60%;
  width: 60%;
  height: 300%;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(255,255,255,0.02) 50%,
    transparent 70%
  );
  transition: transform 0.7s ease;
  pointer-events: none;
  transform: skewX(-20deg);
}
.service-card:hover::after {
  transform: translateX(350%) skewX(-20deg);
}

/* ── TESTIMONIAL CARD ENTRANCE ───────────────────────────── */
.testimonial-card {
  animation: none;
}
.testimonial-card.entering {
  animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* ── FAQ ACCORDION ───────────────────────────────────────── */
.faq-item {
  transition: background 0.2s;
}
.faq-item.open { background: rgba(34,197,94,0.02); }

/* ── FLOATING SHAPES BG ──────────────────────────────────── */
@keyframes floatY {
  0%,100% { transform: translateY(0) rotate(0deg); }
  50%     { transform: translateY(-20px) rotate(5deg); }
}
@keyframes floatX {
  0%,100% { transform: translateX(0) rotate(0deg); }
  50%     { transform: translateX(20px) rotate(-5deg); }
}

/* ── LOADING ENTRANCE ────────────────────────────────────── */
body {
  animation: bodyFadeIn 0.4s ease both;
}
@keyframes bodyFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── SECTION BACKGROUND PARALLAX SHAPES ─────────────────── */
.parallax-slow  { will-change: transform; }
.parallax-med   { will-change: transform; }
.parallax-fast  { will-change: transform; }

/* ── STATS COUNT UP ──────────────────────────────────────── */
.counter, .stat-num {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ── HERO BADGE ENTRANCE ─────────────────────────────────── */
.hero-badge {
  animation: scaleIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s both;
}

/* ── MOBILE MENU SLIDE ───────────────────────────────────── */
@media (max-width: 768px) {
  #navLinks {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(320px, 85vw);
    background: rgba(7, 10, 14, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-left: 1px solid var(--border);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 80px 40px;
    gap: 8px;
    transform: translateX(100%);
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
  }
  #navLinks.open {
    transform: translateX(0);
  }
  #navLinks .nav-link {
    font-size: 1.4rem;
    font-weight: 600;
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid var(--border);
  }
  #navLinks .nav-link::after { display: none; }
}

/* ── SCROLL-TRIGGERED LINE DRAW ──────────────────────────── */
@keyframes lineDraw {
  from { stroke-dashoffset: 1000; }
  to   { stroke-dashoffset: 0; }
}

/* ── RIPPLE ──────────────────────────────────────────────── */
@keyframes rippleOut {
  0%   { transform: scale(0); opacity: 0.4; }
  100% { transform: scale(4); opacity: 0; }
}

/* ── REDUCED MOTION ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .blob,
  .hero-card-front,
  .float-tag,
  .badge-dot,
  .card-live-badge,
  .scroll-wheel,
  .gradient-text {
    animation: none !important;
  }
}