/* IANT IT Institute - Styles */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: hsl(210, 90%, 50%);
    --primary-light: hsl(210, 90%, 60%);
    --primary-dark: hsl(210, 90%, 40%);
    --secondary: hsl(220, 15%, 96%);
    --foreground: hsl(220, 20%, 15%);
    --muted-foreground: hsl(220, 10%, 45%);
    --border: hsl(220, 13%, 91%);
    --success: hsl(140, 70%, 45%);
    --background: hsl(0, 0%, 100%);
    --card: hsl(0, 0%, 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--foreground);
    background-color: var(--background);
}

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

.hidden {
    display: none !important;
}

/* Header */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 1.2rem;
    color: var(--primary);
    font-weight: 700;
}
.logo img.site-logo {
    height: 60px; 
    width: auto;
    object-fit: contain;
    display: block;
}


.desktop-nav {
    display: none;
    gap: 2rem;
}

.nav-link {
    color: var(--foreground);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary);
}

.whatsapp-btn {
    background: var(--success);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
}

.whatsapp-btn:hover {
    background: hsl(140, 70%, 40%);
}

.desktop-only {
    display: none;
}

.mobile-menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-icon, .close-icon {
    width: 24px;
    height: 24px;
}

.mobile-menu {
    background: white;
    padding: 1rem;
    border-top: 1px solid var(--border);
}

.mobile-nav-link {
    display: block;
    padding: 1rem;
    color: var(--foreground);
    text-decoration: none;
    font-weight: 500;
}

.whatsapp-btn-mobile {
    display: block;
    text-align: center;
    background: var(--success);
    color: white;
    padding: 0.75rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
    text-decoration: none;
    font-weight: 600;
}

/* Hero Section */
.hero-section {
    margin-top: 80px;
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary), hsl(195, 100%, 50%));
    color: white;
}

.hero-content {
    text-align: center;
}

.hero-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

.hero-cta {
    display: inline-block;
    background: white;
    color: var(--primary);
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 700;
    transition: transform 0.3s;
}

.hero-cta:hover {
    transform: scale(1.05);
}

.hero-visual {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.course-badge {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-weight: 600;
}

.course-thumb {
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-radius: 12px;
    margin-bottom: 15px;
}

.course-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}


/* Sections */
section {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--foreground);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    max-width: 800px;
    margin: 0 auto;
}

/* Courses Grid */
.courses-section {
    background: var(--secondary);
}

.courses-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.course-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.course-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.course-icon {
    font-size: 2.5rem;
}

.course-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--foreground);
}

.course-description {
    color: var(--muted-foreground);
    margin-bottom: 1rem;
}

.course-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.meta-item {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

.course-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.course-features li {
    padding: 0.5rem 0;
    color: var(--foreground);
}

.course-btn {
    display: block;
    text-align: center;
    background: var(--primary);
    color: white;
    padding: 0.75rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
}

.course-btn:hover {
    background: var(--primary-dark);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--foreground);
}

.feature-description {
    color: var(--muted-foreground);
}

/* Stats Section */
.stats-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    background: var(--primary);
    padding: 3rem 2rem;
    border-radius: 1rem;
    color: white;
}

.stat-box {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-text {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Gallery/Carousel */
.gallery-section {
    background: var(--secondary);
}

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

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-item {
    min-width: 100%;
    padding: 2rem;
}

.carousel-content {
    background: white;
    border-radius: 1rem;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.05);
}

.carousel-emoji {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.carousel-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--foreground);
}

.carousel-description {
    color: var(--muted-foreground);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    font-size: 1.5rem;
    color: var(--primary);
    transition: background 0.3s;
}

.carousel-btn:hover {
    background: var(--secondary);
}

.carousel-btn.prev {
    left: 1rem;
}

.carousel-btn.next {
    right: 1rem;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: background 0.3s;
}

.dot.active {
    background: var(--primary);
}

/* Contact Section */
.contact-section {
    background: var(--secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    display: flex;
    gap: 1rem;
}

.info-icon {
    font-size: 2rem;
    background: var(--primary);
    color: white;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    flex-shrink: 0;
}

.info-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--foreground);
}

.info-text {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

.whatsapp-card {
    background: linear-gradient(135deg, var(--success), hsl(140, 70%, 40%));
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    color: white;
}

.whatsapp-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.whatsapp-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.whatsapp-text {
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.whatsapp-cta {
    display: inline-block;
    background: white;
    color: var(--success);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
}

.whatsapp-cta:hover {
    background: rgba(255, 255, 255, 0.9);
}

.contact-form-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.form-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--foreground);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.form-submit {
    display: block;
    text-align: center;
    background: var(--primary);
    color: white;
    padding: 0.75rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    transition: background 0.3s;
}

.form-submit:hover {
    background: var(--primary-dark);
}

/* Footer */
.footer {
    background: hsl(220, 20%, 10%);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-tagline {
    opacity: 0.8;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.social-link:hover {
    opacity: 1;
}

.footer-heading {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    margin-bottom: 0.5rem;
    opacity: 0.8;
    font-size: 0.875rem;
}

.footer-whatsapp {
    display: inline-block;
    background: var(--success);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    margin-top: 1rem;
    transition: background 0.3s;
}

.footer-whatsapp:hover {
    background: hsl(140, 70%, 40%);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-legal {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.footer-legal a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    font-size: 0.875rem;
    transition: opacity 0.3s;
}

.footer-legal a:hover {
    opacity: 1;
}

/* Scroll Popup */
.scroll-popup {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
}

.popup-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.popup-content {
    position: relative;
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    margin: 1rem;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: scaleIn 0.3s ease-out;
}

.popup-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--muted-foreground);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s;
}

.popup-close:hover {
    color: var(--foreground);
}

.popup-body {
    text-align: center;
}

.popup-icon {
    width: 64px;
    height: 64px;
    background: hsl(140, 70%, 95%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.whatsapp-svg {
    width: 32px;
    height: 32px;
    color: var(--success);
}

.popup-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--foreground);
}

.popup-description {
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
}

.popup-btn {
    display: block;
    background: var(--success);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
}

.popup-btn:hover {
    background: hsl(140, 70%, 40%);
}

.popup-footer {
    font-size: 0.75rem;
    color: var(--muted-foreground);
    margin-top: 0.75rem;
}

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

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Responsive Design */
@media (min-width: 768px) {
    .desktop-nav {
        display: flex;
    }

    .desktop-only {
        display: block;
    }

    .mobile-menu-btn {
        display: none;
    }

    .hero-title {
        font-size: 3rem;
    }

    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-section {
        grid-template-columns: repeat(4, 1fr);
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .courses-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}