/* Professional Home Page Styles - NSDC */

:root {
    --primary-color: #F57A1C;
    --secondary-color: #242F6F;
    --primary-hover: #e06a0a;
    --secondary-hover: #1a2560;
    --text-light: #ffffff;
    --text-dark: #333333;
    --text-gray: #666666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e9ecef;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, #ff8c42 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, #3a4a8a 100%);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.hero-carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(36, 47, 111, 0.8) 0%, rgba(245, 122, 28, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-light);
    padding: 0 20px;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-text p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--text-light);
}

.btn-outline:hover {
    background: var(--text-light);
    color: var(--secondary-color);
    transform: translateY(-3px);
}

/* Carousel Navigation */
.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-nav:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 30px;
}

.carousel-next {
    right: 30px;
}

/* Carousel Indicators */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

/* Section Styles */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.section-title p {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Courses Section */
.courses-section {
    background: var(--bg-light);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.course-card {
    background: var(--bg-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.course-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.course-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(36, 47, 111, 0.8) 0%, rgba(245, 122, 28, 0.6) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-card:hover .course-overlay {
    opacity: 1;
}

.course-content {
    padding: 25px;
}

.course-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.course-duration {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 15px;
}

.course-description {
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.course-btn {
    width: 100%;
    background: var(--gradient-primary);
    color: var(--text-light);
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.course-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Testimonial Section */
.testimonial-section {
    background: var(--secondary-color);
    color: var(--text-light);
}

.testimonial-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-slide {
    text-align: center;
    padding: 40px 20px;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.testimonial-slide.active {
    opacity: 1;
}

.testimonial-logo {
    width: 120px;
    height: 120px;
    background: var(--bg-white);
    border-radius: 50%;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--secondary-color);
    font-weight: bold;
}

.testimonial-text {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 30px;
    line-height: 1.6;
}

.testimonial-author {
    font-weight: 600;
    font-size: 1.1rem;
}

.testimonial-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-nav:hover {
    background: rgba(255, 255, 255, 0.3);
}

.testimonial-prev {
    left: -60px;
}

.testimonial-next {
    right: -60px;
}

/* Employees Section */
.employees-section {
    background: var(--bg-white);
}

.employees-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.employee-card {
    background: var(--bg-white);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.employee-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.employee-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 20px;
    background-size: cover;
    background-position: center;
    border: 4px solid var(--primary-color);
}

.employee-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.employee-designation {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 15px;
}

.employee-contact {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text p {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 200px;
    }

    .carousel-nav {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .carousel-prev {
        left: 15px;
    }

    .carousel-next {
        right: 15px;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .employees-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }

    .testimonial-nav {
        display: none;
    }

    .testimonial-text {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .section {
        padding: 60px 0;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .course-card {
        margin: 0 10px;
    }

    .employees-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 1s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, .3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: 10px;
}

.mb-2 {
    margin-bottom: 20px;
}

.mb-3 {
    margin-bottom: 30px;
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: 10px;
}

.mt-2 {
    margin-top: 20px;
}

.mt-3 {
    margin-top: 30px;
}