/* css/style.css */
:root {
    --primary-blue: #0d6efd;
    --white: #ffffff;
    --black: #212529;
    --light-bg: #f8f9fc;
    --glass-bg: rgba(255, 255, 255, 0.3);
    --glass-border: rgba(255, 255, 255, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
#companyLogo {
   height: 60px; 
}

body {
    background-color: var(--white);
    color: var(--black);
    overflow-x: hidden;
}

/* ------ top bar ------ */
.top-bar {
    background-color: var(--black);
    color: white;
    padding: 10px 0;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
    z-index: 1100;
    border-bottom: 2px solid var(--primary-blue);
}
.top-bar-text {
    background: rgba(255,255,255,0.1);
    padding: 4px 16px;
    border-radius: 40px;
    display: inline-block;
}

/* ------ navbar ------ */
.navbar {
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    background-color: rgba(255,255,255,0.95) !important;
    backdrop-filter: blur(6px);
}
.navbar-brand {
    color: var(--black) !important;
    letter-spacing: -0.5px;
}
.nav-link {
    color: var(--black) !important;
    font-weight: 500;
    margin: 0 8px;
    border-radius: 30px;
    transition: 0.2s;
}
.nav-link:hover {
    color: var(--primary-blue) !important;
    background: rgba(13,110,253,0.05);
}

/* ------ hero section ------ */
.hero-section {
    min-height: 90vh;
    background: linear-gradient(145deg, #ffffff 0%, #f2f5fc 100%);
    padding: 100px 0;
}
.typing-container {
    min-height: 70px;
}
.typing-text {
    color: var(--primary-blue);
    border-right: 3px solid var(--primary-blue);
    padding-right: 8px;
    font-weight: 600;
}
.hero-glass {
    background: rgba(13, 110, 253, 0.2);
    backdrop-filter: blur(12px);
    border-radius: 60px 20px 60px 20px;
    border: 1px solid rgba(255,255,255,0.3);
    box-shadow: 0 25px 40px -12px rgba(0,0,0,0.2);
    display: inline-block;
}
.btn-primary {
    background-color: var(--primary-blue);
    border: none;
    font-weight: 600;
    transition: all 0.3s ease;
}
.btn-primary:hover {
    background-color: #0b5ed7;
    transform: translateY(-3px);
    box-shadow: 0 12px 20px -10px var(--primary-blue);
}
.btn-outline-primary {
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    font-weight: 600;
}
.btn-outline-primary:hover {
    background: var(--primary-blue);
    color: white;
}

/* ------ glass cards (about) ------ */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    border-radius: 32px;
    border: 1px solid rgba(13, 110, 253, 0.2);
    box-shadow: 0 15px 35px -15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}
.glass-card:hover {
    transform: scale(1.02);
    background: white;
    box-shadow: 0 20px 40px -10px var(--primary-blue);
}

/* service cards */
.service-card {
    background: white;
    border-radius: 40px 16px 40px 16px;
    box-shadow: 0 10px 25px -8px rgba(0,0,0,0.06);
    border: 1px solid rgba(13,110,253,0.1);
    transition: 0.3s;
    height: 100%;
}
.service-card:hover {
    box-shadow: 0 20px 30px -8px rgba(13,110,253,0.2);
    border-color: var(--primary-blue);
}

/* course cards */
.course-card {
    background: white;
    border-radius: 32px;
    padding: 2rem 1.5rem;
    box-shadow: 0 20px 40px -18px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,0,0,0.02);
    transition: 0.25s;
}
.course-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-8px);
    box-shadow: 0 30px 45px -12px var(--primary-blue);
}
.course-card .badge {
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    background: var(--black);
    color: white;
    padding: 6px 12px;
    border-radius: 40px;
}
.course-card .price {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-blue);
}
.course-card ul li {
    margin-bottom: 10px;
}

/* stats section */
.stats-section {
    background: var(--black);
    color: white;
    border-radius: 60px 60px 0 0;
}
.stat-item .counter {
    color: var(--primary-blue);
}
.stat-item p {
    color: #aaa;
}

/* ---------- TESTIMONIAL CAROUSEL - CLEAN ---------- */
#testimonials {
    background-color: #fff;
}

.testimonial-card {
    background: white;
    border-radius: 24px;
    padding: 2rem 1.5rem;
    box-shadow: 0 15px 30px -12px rgba(0,0,0,0.07);
    border: 1px solid rgba(13,110,253,0.1);
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 20px 35px -12px rgba(13,110,253,0.15);
    transform: translateY(-0px);
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.6;
    color: #2c3e50;
    flex-grow: 1;
}

/* Carousel controls */
#testimonialCarousel .carousel-control-prev,
#testimonialCarousel .carousel-control-next {
    width: 40px;
    height: 40px;
    background-color: var(--primary-blue);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.9;
}

#testimonialCarousel .carousel-control-prev {
    left: -20px;
}

#testimonialCarousel .carousel-control-next {
    right: -20px;
}

#testimonialCarousel .carousel-control-prev-icon,
#testimonialCarousel .carousel-control-next-icon {
    width: 20px;
    height: 20px;
}

/* Indicators wrapper */
.carousel-indicators-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

#testimonialCarousel .carousel-indicators {
    position: static;
    margin: 0;
    gap: 8px;
}

#testimonialCarousel .carousel-indicators button {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #ccc;
    opacity: 1;
    margin: 0 4px;
    border: none;
}

#testimonialCarousel .carousel-indicators button.active {
    background-color: var(--primary-blue);
    width: 24px;
    border-radius: 12px;
}

/* ---------- REDESIGNED CERTIFICATE SECTION ---------- */
#certificate {
    background: linear-gradient(145deg, #ffffff, #f0f5ff);
}
.certificate-card {
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(16px);
    border-radius: 60px 30px 60px 30px;
    border: 1px solid rgba(255,255,255,0.6);
    box-shadow: 0 40px 50px -30px var(--primary-blue);
    transition: all 0.4s ease;
}
.certificate-card:hover {
    transform: scale(1.02);
    box-shadow: 0 45px 60px -25px var(--primary-blue);
}
.certificate-inner {
    border: 2px dashed rgba(13,110,253,0.3);
    border-radius: 50px 20px 50px 20px;
    padding: 2rem;
}
.bg-light-blue {
    background-color: #eef4ff;
}

/* ---------- CONTACT SECTION (WHY CHOOSE US + FORM) ---------- */
.why-choose-us {
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(10px);
    border-radius: 48px;
    border: 1px solid rgba(13,110,253,0.3);
    box-shadow: 0 30px 45px -25px var(--primary-blue);
    transition: all 0.3s ease;
}
.why-choose-us ul li i {
    margin-top: 4px;
}
.why-choose-us ul li div {
    line-height: 1.5;
}

.contact-form {
    background: rgba(255,255,255,0.75);
    backdrop-filter: blur(10px);
    border-radius: 48px;
    border: 1px solid rgba(13,110,253,0.3);
    box-shadow: 0 30px 45px -20px var(--primary-blue);
}
.contact-form .form-control, .contact-form .form-select {
    border-radius: 40px;
    padding: 12px 20px;
    border: 1px solid #dee2e6;
}
.contact-form .form-control:focus, .contact-form .form-select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(13,110,253,0.15);
}

/* validation styles */
.contact-form .was-validated .form-control:invalid,
.contact-form .was-validated .form-select:invalid {
    border-color: #dc3545;
}
.contact-form .was-validated .form-control:valid,
.contact-form .was-validated .form-select:valid {
    border-color: #198754;
}
.invalid-feedback {
    display: none;
    font-size: 0rem;
}
.was-validated .form-control:invalid ~ .invalid-feedback,
.was-validated .form-select:invalid ~ .invalid-feedback {
    display: block;
}

/* whatsapp float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    transition: 0.3s;
    z-index: 999;
    border: 2px solid white;
}
.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #20ba5a;
    color: white;
}

/* footer */
footer {
    background-color: #111 !important;
}
footer hr {
    opacity: 0.2;
}

/* misc */
.smooth-btn {
    transition: 0.2s;
}
html {
    scroll-padding-top: 70px;
    scroll-behavior: smooth;
}

/* responsive tweaks */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding: 60px 0;
    }
    .navbar-brand {
        font-size: 1.5rem;
    }
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 15px;
        right: 15px;
    }
    .whatsapp-float i {
        font-size: 2rem !important;
    }
    .why-choose-us, .contact-form {
        padding: 2rem !important;
    }
    
    #testimonialCarousel .carousel-control-prev,
    #testimonialCarousel .carousel-control-next {
        width: 32px;
        height: 32px;
    }
    #testimonialCarousel .carousel-control-prev {
        left: -10px;
    }
    #testimonialCarousel .carousel-control-next {
        right: -10px;
    }
}

@media (max-width: 576px) {
    .testimonial-card {
        padding: 1.5rem;
    }
    #testimonialCarousel .carousel-control-prev,
    #testimonialCarousel .carousel-control-next {
        display: none;
    }
}