/* ============================================================
   AGM Accounting Services — Animations & Transitions
   Scroll reveal, hover effects, modal, nav dropdowns
   ============================================================ */

/* ============================================================
   SCROLL REVEAL — Base States
   JS adds .revealed class via IntersectionObserver
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Reveal from left */
.reveal-left {
  opacity: 0;
  transform: translateX(-36px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Reveal from right */
.reveal-right {
  opacity: 0;
  transform: translateX(36px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Reveal scale-up */
.reveal-scale {
  opacity: 0;
  transform: scale(0.94);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays for sibling elements */
.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; }

/* Auto stagger children — JS-assisted but CSS-defined */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.revealed > *:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0.05s; }
.reveal-stagger.revealed > *:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.15s; }
.reveal-stagger.revealed > *:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.25s; }
.reveal-stagger.revealed > *:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.35s; }
.reveal-stagger.revealed > *:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.45s; }
.reveal-stagger.revealed > *:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.55s; }

/* ============================================================
   HERO ENTRANCE ANIMATIONS
   On page load — staggered hero content reveal
   ============================================================ */
@keyframes heroSlideUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes heroPersonRise {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.88);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Hero content animation classes */
.hero-anim-eyebrow {
  animation: heroSlideUp 0.6s ease 0.1s both;
}

.hero-anim-title {
  animation: heroSlideUp 0.7s ease 0.2s both;
}

.hero-anim-subtitle {
  animation: heroSlideUp 0.6s ease 0.35s both;
}

.hero-anim-cta {
  animation: heroSlideUp 0.6s ease 0.5s both;
}

.hero-anim-person {
  animation: heroPersonRise 0.9s ease 0.15s both;
}

.hero-anim-form {
  animation: heroFormSlide 0.75s ease 0.3s both;
}

.hero-anim-cats {
  animation: heroSlideUp 0.6s ease 0.6s both;
}

/* ============================================================
   NAV ANIMATIONS
   ============================================================ */

/* Logo hover — subtle scale */
.nav__logo img {
  transition: transform 0.3s ease, opacity 0.2s ease;
}

.nav__logo:hover img {
  transform: scale(1.03);
}

/* Dropdown open animation handled in main.css with visibility/opacity */
/* Additional slide-in refinement */
.nav__dropdown {
  transform-origin: top center;
}

/* ============================================================
   CARD HOVER ANIMATIONS
   ============================================================ */

/* Photo card — already in main.css, enhanced here */
.photo-card {
  transition: box-shadow 0.35s ease;
}

.photo-card:hover {
  box-shadow: 0 20px 60px rgba(53, 68, 119, 0.22);
}

/* Service icon cards */
.service-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.2s;
}

/* Trust badge hover */
.trust-badge {
  transition: transform 0.3s ease;
}

.trust-badge:hover {
  transform: translateY(-3px);
}

/* Trust badge icon pulse on hover */
.trust-badge:hover .trust-badge__icon {
  background: var(--primary);
  transition: background 0.25s ease;
}

.trust-badge:hover .trust-badge__icon svg {
  color: var(--white);
  transition: color 0.25s ease;
}

/* Hero category card */
.hero__cat-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-bottom-color 0.25s;
}

/* CTA Banner button pulse */
@keyframes goldPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(255, 200, 69, 0.35); }
  50%       { box-shadow: 0 6px 32px rgba(255, 200, 69, 0.55); }
}

.cta-banner .btn--primary {
  animation: goldPulse 2.5s ease-in-out infinite;
}

.cta-banner .btn--primary:hover {
  animation: none;
}

/* ============================================================
   BUTTON ANIMATIONS
   ============================================================ */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0);
  transition: background 0.25s ease;
  pointer-events: none;
  border-radius: inherit;
}

.btn:active::after {
  background: rgba(255, 255, 255, 0.15);
}

/* Arrow nudge on link-style elements */
.photo-card__link svg,
.hero__cat-text span svg,
.footer__link svg {
  transition: transform 0.2s ease;
}

.photo-card:hover .photo-card__link svg {
  transform: translateX(4px);
}

/* ============================================================
   FORM ANIMATIONS
   ============================================================ */

/* Field focus ring */
.form-input,
.form-textarea,
.form-select,
.services-dropdown__trigger {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Contact toggle */
.contact-toggle__btn {
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s;
}

/* Services dropdown panel */
.services-dropdown__panel {
  transform-origin: top center;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.services-dropdown__panel.open {
  animation: dropdownOpen 0.18s ease forwards;
}

@keyframes dropdownOpen {
  from {
    opacity: 0;
    transform: translateY(-6px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Checkbox check animation */
.services-checkbox input[type="checkbox"] {
  transition: transform 0.15s ease;
}

.services-checkbox input[type="checkbox"]:checked {
  transform: scale(1.1);
}

/* Submit button loading state */
.btn--loading {
  pointer-events: none;
  opacity: 0.75;
}

.btn--loading::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(53, 68, 119, 0.3);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   MODAL ANIMATIONS
   ============================================================ */
.modal-overlay {
  transition: opacity 0.3s ease, visibility 0.3s;
}

.modal-card {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

/* Success icon bounce */
@keyframes iconBounce {
  0%   { transform: scale(0) rotate(-10deg); }
  60%  { transform: scale(1.15) rotate(3deg); }
  80%  { transform: scale(0.95); }
  100% { transform: scale(1); }
}

.modal-overlay.open .modal-icon {
  animation: iconBounce 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) 0.15s both;
}

/* Countdown ring */
@keyframes countdownRing {
  from { stroke-dashoffset: 0; }
  to   { stroke-dashoffset: 88; }
}

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

main {
  animation: pageEnter 0.4s ease forwards;
}

/* ============================================================
   STICKY NAV TRANSITION
   ============================================================ */
.nav {
  transition: box-shadow 0.3s ease, background 0.3s ease;
}

/* Nav link underline */
.nav__link::after {
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   ABOUT PAGE — Timeline
   ============================================================ */
.timeline-item {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.timeline-item.revealed {
  opacity: 1;
  transform: translateX(0);
}

.timeline-item:nth-child(1) { transition-delay: 0.1s; }
.timeline-item:nth-child(2) { transition-delay: 0.2s; }
.timeline-item:nth-child(3) { transition-delay: 0.3s; }
.timeline-item:nth-child(4) { transition-delay: 0.4s; }
.timeline-item:nth-child(5) { transition-delay: 0.5s; }

/* ============================================================
   MOBILE MENU ANIMATION
   ============================================================ */
.nav__mobile {
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav__mobile-accordion {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease, opacity 0.25s ease;
  opacity: 0;
  display: block !important; /* override the display: none */
}

.nav__mobile-accordion.open {
  max-height: 400px;
  opacity: 1;
}

/* ============================================================
   SECTION BACKGROUND PATTERN ANIMATION
   ============================================================ */
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ============================================================
   TESTIMONIAL CARD
   ============================================================ */
.testimonial-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* ============================================================
   PREFERS-REDUCED-MOTION — Accessibility override
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }
}