/* ============================================================
   SREE DVR BROADBAND - ANIMATIONS & KEYFRAMES
   ============================================================ */

/* --- Core Page Entrance --- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(32px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-48px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(48px); }
    to   { opacity: 1; transform: translateX(0); }
}

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

/* --- Fiber / Brand Animations --- */
@keyframes fiberPulse {
    0%, 100% { opacity: 0.4; transform: scaleX(1); }
    50%       { opacity: 1;   transform: scaleX(1.04); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-10px); }
}

@keyframes floatSlow {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33%       { transform: translateY(-8px) rotate(1deg); }
    66%       { transform: translateY(4px) rotate(-1deg); }
}

@keyframes gradientShift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 15px rgba(10, 77, 140, 0.3); }
    50%       { box-shadow: 0 0 30px rgba(10, 77, 140, 0.6), 0 0 60px rgba(10, 77, 140, 0.2); }
}

@keyframes glowPulseOrange {
    0%, 100% { box-shadow: 0 0 15px rgba(247, 148, 29, 0.3); }
    50%       { box-shadow: 0 0 30px rgba(247, 148, 29, 0.6), 0 0 60px rgba(247, 148, 29, 0.2); }
}

@keyframes ripple {
    0%   { transform: scale(0); opacity: 0.6; }
    100% { transform: scale(2.5); opacity: 0; }
}

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

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

@keyframes counterUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes orbitPulse {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.6; }
    50%       { transform: scale(1.1) rotate(180deg); opacity: 1; }
}

@keyframes waveIn {
    0%   { clip-path: inset(0 100% 0 0); }
    100% { clip-path: inset(0 0% 0 0); }
}

@keyframes borderDraw {
    from { stroke-dashoffset: 1000; }
    to   { stroke-dashoffset: 0; }
}

/* --- Scroll Animation Classes --- */
.animate-on-scroll {
    opacity: 0;
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: none !important;
}

.fade-up    { transform: translateY(32px); }
.fade-down  { transform: translateY(-32px); }
.slide-left  { transform: translateX(-40px); }
.slide-right { transform: translateX(40px); }
.scale-in   { transform: scale(0.88); }

/* --- Stagger Delay Utilities --- */
.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.12s; }
.stagger-3 { transition-delay: 0.20s; }
.stagger-4 { transition-delay: 0.28s; }
.stagger-5 { transition-delay: 0.36s; }
.stagger-6 { transition-delay: 0.44s; }

/* --- Persistent Animations --- */
.anim-float     { animation: float 4s ease-in-out infinite; }
.anim-float-slow { animation: floatSlow 6s ease-in-out infinite; }
.anim-pulse     { animation: glowPulse 2.5s ease-in-out infinite; }
.anim-pulse-orange { animation: glowPulseOrange 2.5s ease-in-out infinite; }
.anim-spin      { animation: spin 1s linear infinite; }
.anim-spin-slow { animation: spinSlow 8s linear infinite; }
.anim-gradient  {
    background-size: 200% 200%;
    animation: gradientShift 6s ease infinite;
}

/* --- Shimmer Skeleton Loader --- */
.shimmer {
    background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* --- Section Tag Glow --- */
.section-tag-glow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(var(--secondary-rgb), 0.1);
    border: 1px solid rgba(var(--secondary-rgb), 0.3);
    color: var(--secondary-dark);
    padding: 4px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
}