/* ============================================================
   LeakProof Solutions — Animation CSS
   ============================================================ */

/* ── Keyframes ─────────────────────────────────────────── */
@keyframes floatDrop {
    0%   { transform: translateY(0) scale(1);   opacity: 0.2; }
    50%  { transform: translateY(-80px) scale(1.1); opacity: 0.4; }
    100% { transform: translateY(-160px) scale(0.8); opacity: 0; }
}

@keyframes floatY {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-12px); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

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

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

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

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0,137,208,0.4); }
    50%       { box-shadow: 0 0 0 14px rgba(0,137,208,0); }
}

@keyframes rippleAnim {
    to { transform: scale(4); opacity: 0; }
}

@keyframes waveMove {
    0%   { background-position-x: 0; }
    100% { background-position-x: 1200px; }
}

@keyframes rotateSlow {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

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

@keyframes bounceIn {
    0%   { transform: scale(0.3); opacity: 0; }
    50%  { transform: scale(1.05); }
    70%  { transform: scale(0.9); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes slideInBottom {
    from { transform: translateY(100%); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}

/* ── Scroll-reveal base states ─────────────────────────── */
.fade-in,
.fade-up,
.fade-left,
.fade-right,
.scale-in {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in    { transform: none; }
.fade-up    { transform: translateY(36px); }
.fade-left  { transform: translateX(-36px); }
.fade-right { transform: translateX(36px); }
.scale-in   { transform: scale(0.9); }

.fade-in.animated,
.fade-up.animated,
.fade-left.animated,
.fade-right.animated,
.scale-in.animated {
    opacity: 1;
    transform: none;
}

/* Delay helpers */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ── Water drop element ─────────────────────────────────── */
.water-drop {
    position: absolute;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    animation: floatDrop linear infinite;
    pointer-events: none;
    z-index: 1;
}

/* ── Hero text animations ──────────────────────────────── */
.hero-title {
    animation: fadeInDown 0.9s ease forwards;
}
.hero-subtitle {
    animation: fadeInUp 1s ease 0.2s both;
}
.hero-buttons {
    animation: fadeInUp 1s ease 0.4s both;
}

/* ── Float animation ───────────────────────────────────── */
.float-anim {
    animation: floatY 3.5s ease-in-out infinite;
}

/* ── Ripple button ─────────────────────────────────────── */
.btn-ripple {
    position: relative;
    overflow: hidden;
}
.ripple-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    transform: scale(0);
    animation: rippleAnim 0.6s linear;
    pointer-events: none;
}

/* ── Pulse ring ─────────────────────────────────────────── */
.pulse-ring {
    animation: pulse 2s ease-in-out infinite;
}

/* ── Shimmer skeleton ───────────────────────────────────── */
.shimmer {
    background: linear-gradient(
        90deg,
        rgba(255,255,255,0) 0%,
        rgba(255,255,255,0.5) 50%,
        rgba(255,255,255,0) 100%
    );
    background-size: 200% auto;
    animation: shimmer 1.8s linear infinite;
}

/* ── Timeline step reveal ──────────────────────────────── */
.timeline-step {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.timeline-step.revealed {
    opacity: 1;
    transform: none;
}

/* ── Navbar scrolled transition ─────────────────────────── */
#mainNavbar {
    transition: padding 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}
#mainNavbar.navbar-scrolled {
    padding-top: 6px !important;
    padding-bottom: 6px !important;
    box-shadow: 0 4px 24px rgba(0,137,208,0.18) !important;
}

/* ── Back to top ─────────────────────────────────────────── */
#backToTop {
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 0;
    pointer-events: none;
}
#backToTop:hover {
    transform: translateY(-3px);
}

/* ── Icon bounce on hover ───────────────────────────────── */
.icon-bounce:hover {
    animation: bounceIn 0.5s ease;
}

/* ── Wave divider animation ─────────────────────────────── */
.wave-anim svg {
    animation: waveMove 8s linear infinite;
}