/* =============================================================================
   ANIMATIONS.CSS – Scroll animations, micro-interactions, parallax hints
============================================================================= */

/* ── Scroll Reveal – Initial States ──────────────────────────────────────── */
[data-reveal] {
    opacity: 0;
    transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

[data-reveal="fade-up"]    { transform: translateY(40px); }
[data-reveal="fade-down"]  { transform: translateY(-40px); }
[data-reveal="fade-left"]  { transform: translateX(40px); }
[data-reveal="fade-right"] { transform: translateX(-40px); }
[data-reveal="zoom-in"]    { transform: scale(.94); }
[data-reveal="flip-up"]    { transform: perspective(600px) rotateX(15deg) translateY(30px); }

[data-reveal].revealed {
    opacity: 1;
    transform: none;
}

/* Stagger delays */
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="500"] { transition-delay: 500ms; }
[data-delay="600"] { transition-delay: 600ms; }

/* ── Hero Animations ──────────────────────────────────────────────────────── */
@keyframes heroFadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes heroPulse {
    0%, 100% { opacity: .6; transform: scaleX(1); }
    50%       { opacity: 1;  transform: scaleX(1.06); }
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(8px); }
}

.hero-content > * { animation: heroFadeUp 900ms var(--ease) both; }
.hero-content > *:nth-child(1) { animation-delay:  200ms; }
.hero-content > *:nth-child(2) { animation-delay:  450ms; }
.hero-content > *:nth-child(3) { animation-delay:  650ms; }
.hero-content > *:nth-child(4) { animation-delay:  850ms; }

.scroll-indicator { animation: scrollBounce 1.8s ease-in-out infinite; }

/* ── Diagonal Lines Decoration ────────────────────────────────────────────── */
@keyframes diagonalSlide {
    from { transform: translateX(-100%); }
    to   { transform: translateX(100%); }
}

.hero-accent-line {
    position: absolute;
    width: 2px;
    background: linear-gradient(to bottom, transparent, rgba(33,150,243,.6), transparent);
    animation: diagonalSlide 3s ease-in-out infinite;
}

/* ── Counter Animation ────────────────────────────────────────────────────── */
.counter-value {
    display: inline-block;
    transition: transform 200ms var(--ease);
}

/* ── Shimmer Loading ──────────────────────────────────────────────────────── */
@keyframes shimmer {
    to { background-position: 200% center; }
}

.loading-shimmer {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% auto;
    animation: shimmer 1.4s linear infinite;
    border-radius: var(--radius-md);
}

/* ── Floating Particles (Hero) ────────────────────────────────────────────── */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(45deg); }
    33%       { transform: translateY(-20px) rotate(45deg); }
    66%       { transform: translateY(10px) rotate(45deg); }
}

.hero-particle {
    position: absolute;
    border-radius: var(--radius-sm);
    opacity: .12;
    background: var(--white);
    animation: float linear infinite;
}

/* ── Hover Lift ───────────────────────────────────────────────────────────── */
.hover-lift {
    transition: transform var(--duration) var(--ease),
                box-shadow var(--duration) var(--ease);
}
.hover-lift:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

/* ── Image Zoom On Hover ──────────────────────────────────────────────────── */
.img-zoom-wrap { overflow: hidden; }
.img-zoom-wrap img {
    transition: transform 600ms var(--ease);
}
.img-zoom-wrap:hover img { transform: scale(1.07); }

/* ── Underline Slide ──────────────────────────────────────────────────────── */
.underline-slide {
    position: relative;
    display: inline-block;
}
.underline-slide::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 2px;
    background: var(--blue-500);
    transition: width var(--duration) var(--ease);
}
.underline-slide:hover::after { width: 100%; }

/* ── Diagonal Accent Lines ────────────────────────────────────────────────── */
.accent-line {
    display: inline-block;
    width: 48px; height: 4px;
    background: linear-gradient(90deg, var(--blue-500), var(--red-500));
    border-radius: 2px;
    margin-bottom: var(--space-4);
}

/* ── Page Transition Overlay ──────────────────────────────────────────────── */
.page-overlay {
    position: fixed;
    inset: 0;
    background: var(--navy-900);
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 400ms var(--ease);
}
.page-overlay.fade-in  { opacity: 1; pointer-events: all; }
.page-overlay.fade-out { opacity: 0; }

/* ── Gradient Text ────────────────────────────────────────────────────────── */
.gradient-text {
    background: linear-gradient(135deg, var(--blue-400), var(--blue-300));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Pulse Ring ───────────────────────────────────────────────────────────── */
@keyframes pulseRing {
    0%   { transform: scale(1);   opacity: .8; }
    100% { transform: scale(1.6); opacity: 0;  }
}

.pulse-ring {
    position: relative;
    display: inline-flex;
}
.pulse-ring::before {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid var(--blue-500);
    border-radius: 50%;
    animation: pulseRing 2s ease-out infinite;
}

/* ── Reduce motion ────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
    [data-reveal] { opacity: 1 !important; transform: none !important; }
}