/* Sri Kamarajar Nursery and Primary School */

html { scroll-behavior: auto; }
body { overflow-x: hidden; -webkit-font-smoothing: antialiased; }

/* Navbar */
.navbar-transparent { background: transparent; }
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 1px 12px rgba(30, 58, 95, 0.08);
}
.navbar-scrolled .nav-text { color: #1e3a5f; }
.navbar-scrolled .nav-subtext { color: #627d98; }
.navbar-scrolled .nav-link { color: #334e68 !important; }
.navbar-scrolled .nav-link:hover { background: #f0f4f8 !important; }
.navbar-scrolled .nav-link.active,
.navbar-transparent .nav-link.active {
    background: #f59e0b !important;
    color: #1e3a5f !important;
}
.navbar-scrolled #mobile-menu-btn { color: #1e3a5f; }
.navbar-transparent #mobile-menu-btn { color: #fff; }

/* Hero */
.hero-bg-0 { background: linear-gradient(135deg, #1e3a5f 0%, #243b53 50%, #334e68 100%); }
.hero-bg-1 { background: linear-gradient(135deg, #243b53 0%, #1e3a5f 50%, #486581 100%); }
.hero-bg-2 { background: linear-gradient(135deg, #334e68 0%, #1e3a5f 50%, #243b53 100%); }

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
    pointer-events: none;
    will-change: transform;
}
.hero-shape-1 {
    width: 280px; height: 280px;
    background: #f59e0b;
    top: 10%; right: 5%;
    animation: floatA 8s ease-in-out infinite;
}
.hero-shape-2 {
    width: 180px; height: 180px;
    background: #fbbf24;
    bottom: 20%; left: 8%;
    animation: floatB 10s ease-in-out infinite;
}
.hero-shape-3 {
    width: 120px; height: 120px;
    background: #fff;
    top: 40%; left: 40%;
    animation: floatA 12s ease-in-out infinite reverse;
}

@keyframes floatA {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}
@keyframes floatB {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(15px) rotate(5deg); }
}

/* Stagger reveal (no library) */
.stagger-reveal > * {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}
.stagger-reveal.is-visible > *:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0.05s; }
.stagger-reveal.is-visible > *:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.12s; }
.stagger-reveal.is-visible > *:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.19s; }
.stagger-reveal.is-visible > *:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.26s; }
.stagger-reveal.is-visible > *:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.33s; }
.stagger-reveal.is-visible > *:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.4s; }

/* Kamarajar scroll-pinned section */
.kamarajar-scroll-track {
    height: calc(var(--story-count) * 100vh);
    position: relative;
}
.kamarajar-scroll-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}
.kamarajar-media-stage,
.kamarajar-text-stage {
    display: grid;
    grid-template: 1fr / 1fr;
    align-items: center;
}
.kamarajar-slide-media,
.kamarajar-slide-text {
    grid-area: 1 / 1;
    opacity: 0;
    visibility: hidden;
    transform: translateY(24px);
    transition: opacity 0.55s ease, transform 0.55s ease, visibility 0.55s;
}
.kamarajar-slide-media.is-active,
.kamarajar-slide-text.is-active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.kamarajar-slide-text.is-active {
    transition-delay: 0.08s;
}
.kamarajar-progress {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.5rem;
}
.kamarajar-progress-dot {
    width: 2rem;
    height: 0.25rem;
    border-radius: 999px;
    background: #d9e2ec;
    transition: background 0.3s ease, transform 0.3s ease;
}
.kamarajar-progress-dot.is-active {
    background: #f59e0b;
    transform: scaleX(1.15);
}

/* Cards */
.card-animate {
    transition: box-shadow 0.3s ease;
    will-change: transform;
}
.card-animate:hover {
    box-shadow: 0 20px 40px rgba(30, 58, 95, 0.12);
}

/* Swiper */
.hero-swiper .swiper-pagination-bullet { background: #f59e0b; opacity: 0.5; width: 10px; height: 10px; }
.hero-swiper .swiper-pagination-bullet-active { opacity: 1; width: 28px; border-radius: 6px; }
.testimonial-swiper .swiper-pagination-bullet { background: #1e3a5f; }

/* Faculty */
.faculty-img { filter: grayscale(100%); transition: filter 0.35s ease; }
.group:hover .faculty-img { filter: grayscale(0%); }

/* Prose */
.prose ul { list-style: disc; padding-left: 1.5rem; margin: 0.5rem 0; }
.prose ol { list-style: decimal; padding-left: 1.5rem; margin: 0.5rem 0; }
.prose p { margin-bottom: 0.75rem; }
.prose table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.prose table th, .prose table td { border: 1px solid #e2e8f0; padding: 0.75rem; text-align: left; }
.prose table th { background: #f0f4f8; font-weight: 600; color: #1e3a5f; }

/* Section title accent */
.section-title::after {
    content: '';
    display: block;
    width: 3rem;
    height: 3px;
    background: #f59e0b;
    margin: 0.75rem auto 0;
    border-radius: 2px;
}

.lb-data .lb-caption { font-family: 'Poppins', sans-serif; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .stagger-reveal > * { opacity: 1; transform: none; }
    .kamarajar-slide-media,
    .kamarajar-slide-text { opacity: 1; visibility: visible; transform: none; }
    .kamarajar-scroll-track { height: auto !important; }
    .kamarajar-scroll-sticky { position: relative; height: auto; }
    .hero-shape { animation: none; }
}