/* ==========================================================
   Rashtriya Computer Education — Shared Styles
   ========================================================== */

/* ── Fonts ── */
body {
    font-family: 'Inter', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

h1, h2, h3, h4, h5, h6, .fh {
    font-family: 'Poppins', sans-serif;
}

/* ── Fade-Up Animation (reduced movement) ── */
.fade-up {
    opacity: 0;
    transform: translateY(16px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Card Hover ── */
.card-h {
    transition: all 0.3s ease;
}

.card-h:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px -6px rgba(34, 197, 94, 0.12);
}

/* ── Navbar Scrolled ── */
.nav-scrolled {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(16px);
}

/* ── Pulse Badge (subtler) ── */
.pulse-b {
    animation: pb 2.5s ease-in-out infinite;
}

@keyframes pb {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.02); }
}

/* ── Gradient Text ── */
.gt {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── WhatsApp Float (subtler bounce) ── */
.wa-f {
    animation: waf 3.5s ease-in-out infinite;
}

@keyframes waf {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-3px); }
}

/* ── Marquee Ticker ── */
.mtk {
    animation: mk 30s linear infinite;
}

@keyframes mk {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ── Card Icon (subtler) ── */
.ci {
    transition: transform 0.3s ease;
}

.card-h:hover .ci {
    transform: scale(1.05) rotate(-2deg);
}

/* ── Course Card Pointer ── */
.ccc {
    cursor: pointer;
}

/* ==========================================================
   Course Modal
   ========================================================== */
#courseModal {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s, visibility 0.25s;
}

#courseModal.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mb {
    transition: transform 0.25s, opacity 0.25s;
    transform: translateY(12px) scale(0.98);
    opacity: 0;
}

#courseModal.active .mb {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* ==========================================================
   Hero Section — Motion Graphics (reduced intensity)
   ========================================================== */
.hero-bg {
    background: linear-gradient(160deg,
        #f0fdf4 0%,
        #dcfce7 30%,
        #f0fdf4 50%,
        #ecfdf5 80%,
        #f0fdf4 100%
    );
}

/* Floating animations — reduced movement */
.float-a { animation: fa 7s ease-in-out infinite; }
.float-b { animation: fa 9s ease-in-out infinite 1s; }
.float-c { animation: fa 8s ease-in-out infinite 2s; }
.float-d { animation: fa 10s ease-in-out infinite 0.5s; }

@keyframes fa {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25%      { transform: translateY(-10px) rotate(1deg); }
    75%      { transform: translateY(6px) rotate(-1deg); }
}

/* Slow spin — slower */
.spin-slow {
    animation: ss 25s linear infinite;
}

@keyframes ss {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Orbiting elements — slower */
.orbit {
    animation: orb 15s linear infinite;
}

@keyframes orb {
    0%   { transform: rotate(0deg) translateX(70px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(70px) rotate(-360deg); }
}

.orbit2 {
    animation: orb2 20s linear infinite reverse;
}

@keyframes orb2 {
    0%   { transform: rotate(0deg) translateX(100px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(100px) rotate(-360deg); }
}

/* Dashed rotating circles — slower */
.dash-circle {
    animation: dcr 40s linear infinite;
}

@keyframes dcr {
    0%   { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -600; }
}

/* Blurred decorative blobs */
.blob-g {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
}

/* ==========================================================
   Mobile Responsive Enhancements
   ========================================================== */

/* Disable hover effects on touch devices */
@media (hover: none) {
    .card-h:hover {
        transform: none;
        box-shadow: none;
    }
    .card-h:hover .ci {
        transform: none;
    }
}

@media (max-width: 768px) {
    /* Hero decorations hidden/faded on mobile */
    .orbit, .orbit2 {
        display: none;
    }
    .hero-decor {
        opacity: 0.25;
    }
    .spin-slow {
        display: none;
    }
    .blob-g {
        filter: blur(80px);
        opacity: 0.5;
    }

    /* Tighter section spacing on mobile */
    section {
        scroll-margin-top: 60px;
    }

    /* Smaller WhatsApp/BTT buttons on mobile */
    .wa-f {
        width: 48px !important;
        height: 48px !important;
        bottom: 16px !important;
        right: 16px !important;
    }

    /* Modal adjustments for mobile */
    #courseModal {
        padding-top: 2vh !important;
        padding-left: 8px;
        padding-right: 8px;
    }
    .mb {
        max-height: 94vh;
    }
    #mHead {
        height: 140px !important;
    }
}

@media (max-width: 480px) {
    /* Extra small screens */
    .hero-decor {
        opacity: 0.15;
    }
    .float-a, .float-b, .float-c, .float-d {
        display: none;
    }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    .fade-up {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .float-a, .float-b, .float-c, .float-d,
    .spin-slow, .orbit, .orbit2, .dash-circle,
    .pulse-b, .wa-f, .mtk {
        animation: none;
    }
    .card-h:hover {
        transform: none;
    }
}