/* ============================================
   NIYAM WASTE — ANIMATIONS
   Scroll-triggered reveals + micro-interactions
   ============================================ */

/* ── FADE-IN BASE ── */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
  transition-duration: 0.7s;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Fade up */
[data-aos="fade-up"]    { transform: translateY(28px); }
/* Fade down */
[data-aos="fade-down"]  { transform: translateY(-28px); }
/* Fade left */
[data-aos="fade-left"]  { transform: translateX(28px); }
/* Fade right */
[data-aos="fade-right"] { transform: translateX(-28px); }
/* Zoom */
[data-aos="zoom-in"]    { transform: scale(0.92); }
/* Zoom soft */
[data-aos="zoom-soft"]  { transform: scale(0.96); }

/* Stagger delays */
[data-aos-delay="100"] { transition-delay: 100ms; }
[data-aos-delay="150"] { transition-delay: 150ms; }
[data-aos-delay="200"] { transition-delay: 200ms; }
[data-aos-delay="250"] { transition-delay: 250ms; }
[data-aos-delay="300"] { transition-delay: 300ms; }
[data-aos-delay="350"] { transition-delay: 350ms; }
[data-aos-delay="400"] { transition-delay: 400ms; }
[data-aos-delay="450"] { transition-delay: 450ms; }
[data-aos-delay="500"] { transition-delay: 500ms; }
[data-aos-delay="600"] { transition-delay: 600ms; }
[data-aos-delay="700"] { transition-delay: 700ms; }
[data-aos-delay="800"] { transition-delay: 800ms; }

/* ── HERO ENTRANCE ── */
.hero-badge {
  animation: hero-badge-in 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s both;
}

.hero-headline {
  animation: hero-headline-in 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.5s both;
}

.hero-subline {
  animation: hero-subline-in 0.7s cubic-bezier(0.4, 0, 0.2, 1) 0.8s both;
}

.hero-actions {
  animation: hero-actions-in 0.6s cubic-bezier(0.4, 0, 0.2, 1) 1s both;
}

.hero-stats {
  animation: hero-stats-in 0.7s cubic-bezier(0.4, 0, 0.2, 1) 1.2s both;
}

@keyframes hero-badge-in {
  from { opacity: 0; transform: translateY(12px) scale(0.9); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes hero-headline-in {
  from { opacity: 0; transform: translateY(40px) skewY(1deg); }
  to   { opacity: 1; transform: translateY(0) skewY(0deg); }
}

@keyframes hero-subline-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes hero-actions-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes hero-stats-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── STAT COUNTER ── */
.stat-counter { display: inline-block; }

/* ── NAVBAR SLIDE IN ── */
#navbar {
  animation: nav-slide-in 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.1s both;
}

@keyframes nav-slide-in {
  from { transform: translateY(-100%); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

/* ── CARD HOVER GLOW ── */
.card:hover,
.service-card:hover,
.testimonial-card:hover {
  box-shadow:
    0 24px 64px rgba(12,17,24,0.18),
    0 0 0 1px rgba(31,122,78,0.12),
    0 8px 24px rgba(31,122,78,0.08);
}

/* ── PROCESS STEP ANIMATION ── */
.process-item:nth-child(1) [data-aos] { transition-delay: 50ms; }
.process-item:nth-child(2) [data-aos] { transition-delay: 150ms; }
.process-item:nth-child(3) [data-aos] { transition-delay: 250ms; }
.process-item:nth-child(4) [data-aos] { transition-delay: 350ms; }
.process-item:nth-child(5) [data-aos] { transition-delay: 450ms; }

/* ── RIPPLE BUTTON ── */
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 0%, rgba(255,255,255,0.12) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.5s;
}

.btn-primary:hover::after {
  transform: translateX(100%);
}

/* ── IMAGE ZOOM ON SCROLL ── */
.zoom-on-scroll {
  overflow: hidden;
  border-radius: inherit;
}

.zoom-on-scroll img {
  transform: scale(1.05);
  transition: transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.zoom-on-scroll.in-view img {
  transform: scale(1);
}

/* ── FLOATING PARTICLES (hero background decoration) ── */
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 1;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--c-green-400);
  border-radius: 50%;
  opacity: 0;
  animation: float-particle var(--dur, 8s) ease-in-out var(--delay, 0s) infinite;
}

@keyframes float-particle {
  0%   { transform: translateY(100vh) translateX(0) scale(0); opacity: 0; }
  10%  { opacity: 0.4; }
  90%  { opacity: 0.15; }
  100% { transform: translateY(-20vh) translateX(var(--drift, 30px)) scale(1); opacity: 0; }
}

/* ── PAGE TRANSITION ── */
.page-enter {
  animation: page-enter 0.4s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes page-enter {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── MOBILE MENU ITEM ANIMATION ── */
.nav-mobile-link {
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s;
}

.nav-mobile-menu.open .nav-mobile-link:nth-child(1) { transition-delay: 0.05s; transform: translateY(0); opacity: 1; }
.nav-mobile-menu.open .nav-mobile-link:nth-child(2) { transition-delay: 0.1s;  transform: translateY(0); opacity: 1; }
.nav-mobile-menu.open .nav-mobile-link:nth-child(3) { transition-delay: 0.15s; transform: translateY(0); opacity: 1; }
.nav-mobile-menu.open .nav-mobile-link:nth-child(4) { transition-delay: 0.2s;  transform: translateY(0); opacity: 1; }
.nav-mobile-menu.open .nav-mobile-link:nth-child(5) { transition-delay: 0.25s; transform: translateY(0); opacity: 1; }
.nav-mobile-menu.open .nav-mobile-cta { transition-delay: 0.3s; transform: translateY(0); opacity: 1; }

.nav-mobile-cta {
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s, opacity 0.3s 0.3s;
}

/* ── SECTION DIVIDER ── */
.section-divider {
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--c-green-500), var(--c-green-300));
  border-radius: 3px;
  margin: var(--space-5) auto 0;
}

.section-divider.left { margin-left: 0; }

/* ── SKELETON LOADER (for JS-loaded content) ── */
.skeleton {
  background: linear-gradient(90deg, var(--c-slate-100) 25%, var(--c-slate-50) 50%, var(--c-slate-100) 75%);
  background-size: 200% 100%;
  animation: skeleton-shine 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-shine {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── GREEN GLOW EFFECT ── */
.glow-green {
  position: relative;
}

.glow-green::before {
  content: '';
  position: absolute;
  inset: -30px;
  background: radial-gradient(circle, rgba(31,122,78,0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* ── SCROLL PROGRESS BAR ── */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-green-500), var(--c-green-300));
  z-index: 2000;
  transition: width 0.1s linear;
  border-radius: 0 2px 2px 0;
}

/* ── TOOLTIP ── */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-slate-900);
  color: white;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 100;
}

[data-tooltip]:hover::after { opacity: 1; }

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  [data-aos],
  .hero-badge, .hero-headline, .hero-subline,
  .hero-actions, .hero-stats, #navbar,
  .particle { animation: none; transition: none; opacity: 1; transform: none; }
  [data-aos].aos-animate { opacity: 1; }
}