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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: linear-gradient(135deg, #0f1419 0%, #1a2332 100%);
    overflow-x: hidden;
}

/* CSS Variables */
:root {
    --primary-color: #1e3a8a;
    --secondary-color: #0ea5e9;
    --accent-color: #10b981;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --background-dark: #0f1419;
    --background-card: #1e293b;
    --border-color: #334155;
    --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #0ea5e9 100%);
    --gradient-secondary: linear-gradient(135deg, #0ea5e9 0%, #10b981 100%);
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

.section {
    padding: 100px 0;
    position: relative;
}

.section__header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease;
}

.section__title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.section__subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.highlight {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    font-size: 1rem;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

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

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

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

.btn--secondary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.btn--large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn--full {
    width: 100%;
    justify-content: center;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-medium);
}

.header.scrolled {
    background: rgba(15, 20, 25, 0.98);
    box-shadow: var(--shadow-medium);
}

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

.nav__logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.nav__menu {
    display: flex;
}

.nav__list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav__link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-medium);
}

.nav__link:hover {
    color: var(--text-primary);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Duplicate styles removed - consolidated above */

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    z-index: 2;
}

.hero__content {
    animation: fadeInLeft 1s ease;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid var(--secondary-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    animation: pulse 2s infinite;
}

.hero__title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero__description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero__stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat {
    text-align: center;
}

.stat__number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary-color);
}

.stat__label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.hero__visual {
    position: relative;
    animation: fadeInRight 1s ease;
}

.hero__image-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
}

.hero__video {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 16px;
    transition: transform var(--transition-slow);
}

.hero__video:hover {
    transform: scale(1.02);
}

.hero__video-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
}

.hero__video-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: transform var(--transition-medium);
}

.hero__video-container:hover .hero__video-overlay {
    transform: translateY(0);
}

.hero__video-overlay h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.hero__video-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Legacy image styles for fallback */
.hero__image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.hero__image:hover {
    transform: scale(1.05);
}

.hero__play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    transition: all var(--transition-medium);
    animation: pulse 2s infinite;
}

.hero__play-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero__shape {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.hero__shape--1 {
    width: 300px;
    height: 300px;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.hero__shape--2 {
    width: 200px;
    height: 200px;
    bottom: 20%;
    left: 5%;
    animation-delay: 2s;
}

.hero__shape--3 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 30%;
    animation-delay: 4s;
}

/* Why Course Section */
.why-course {
    background: rgba(30, 41, 59, 0.3);
}

.why-course__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--background-card);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--secondary-color);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card__icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1.5rem;
}

.feature-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card__description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Curriculum Section */
.curriculum {
    background: var(--background-dark);
}

.curriculum__modules {
    display: grid;
    gap: 1.5rem;
}

.module-card {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.module-card.active {
    border-color: var(--secondary-color);
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.2);
}

.module-card.active .module-card__content {
    max-height: 200px;
    padding: 1.5rem;
}

.module-card__header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.module-card__header:hover {
    background: rgba(14, 165, 233, 0.05);
}

.module-card__icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
}

.module-card__info {
    flex: 1;
}

.module-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.module-card__duration {
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 500;
}

.module-card__content {
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-medium);
    padding: 0 1.5rem;
}

.module-card__topics {
    list-style: none;
    padding: 0;
}

.module-card__topics li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.module-card__topics li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Target Audience Section */
.target-audience {
    background: rgba(30, 41, 59, 0.3);
}

.audience__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.audience-card {
    background: var(--background-card);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.audience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.audience-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
}

.audience-card:hover::before {
    opacity: 0.05;
}

.audience-card__icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin: 0 auto 1.5rem;
    position: relative;
    z-index: 2;
}

.audience-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    position: relative;
    z-index: 2;
}

.audience-card__description {
    color: var(--text-secondary);
    position: relative;
    z-index: 2;
}

/* Testimonials Section */
.testimonials {
    background: var(--background-dark);
    position: relative;
}

.testimonials__slider {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
}

.testimonial-card {
    display: none;
    background: var(--background-card);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    animation: fadeIn 0.5s ease;
}

.testimonial-card.active {
    display: block;
}

.testimonial-card__rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
}

.testimonial-card__rating i {
    color: #fbbf24;
    font-size: 1.25rem;
}

.testimonial-card__text {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-card__avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--secondary-color);
}

.testimonial-card__name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.testimonial-card__role {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.testimonial-btn {
    width: 50px;
    height: 50px;
    border: none;
    background: var(--background-card);
    color: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-medium);
    border: 1px solid var(--border-color);
}

.testimonial-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

/* FAQ Section */
.faq {
    background: rgba(30, 41, 59, 0.3);
}

.faq__content {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.faq-item.active {
    border-color: var(--secondary-color);
}

.faq-item__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.faq-item__question:hover {
    background: rgba(14, 165, 233, 0.05);
}

.faq-item__question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-item__question i {
    color: var(--secondary-color);
    transition: transform var(--transition-medium);
}

.faq-item.active .faq-item__question i {
    transform: rotate(180deg);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.faq-item.active .faq-item__answer {
    max-height: 200px;
    padding: 0 1.5rem 1.5rem;
}

.faq-item__answer p {
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact__item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact__icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    flex-shrink: 0;
}

.contact__details h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.contact__details p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact__form {
    background: var(--background-card);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.form__group {
    margin-bottom: 1.5rem;
}

.form__input {
    width: 100%;
    padding: 1rem;
    background: rgba(15, 20, 25, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-medium);
}

.form__input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form__input::placeholder {
    color: var(--text-secondary);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__error {
    display: block;
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Footer */
.footer {
    background: var(--background-dark);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1rem;
}

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

.footer__logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.footer__logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.footer__logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.footer__description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    max-width: 300px;
}

.footer__social {
    display: flex;
    gap: 1rem;
}

.footer__social-link {
    width: 40px;
    height: 40px;
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-medium);
}

.footer__social-link:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
}

.footer__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: 0.5rem;
}

.footer__link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--secondary-color);
}

.footer__bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer__copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal__content {
    background: var(--background-card);
    border-radius: 16px;
    padding: 2rem;
    max-width: 500px;
    width: 100%;
    position: relative;
    border: 1px solid var(--border-color);
    animation: modalSlideIn 0.3s ease;
}

.modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.modal__close:hover {
    color: var(--text-primary);
}

.modal__header {
    text-align: center;
    margin-bottom: 2rem;
}

.modal__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.modal__subtitle {
    color: var(--text-secondary);
}

.modal__disclaimer {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 1rem;
    line-height: 1.4;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav__toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.nav__toggle:hover {
    background: var(--background-card);
    color: var(--secondary-color);
}

/* Touch-friendly improvements */
.btn {
    min-height: 44px;
    min-width: 44px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.nav__link {
    padding: 0.5rem 0;
    display: block;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* Prevent zoom on form inputs on iOS */
.form__input,
.form__textarea,
.form__select {
    font-size: 16px;
    -webkit-appearance: none;
    -webkit-border-radius: 0;
}

/* Smooth scrolling for all browsers */
html {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

/* Better focus states for accessibility */
.btn:focus,
.nav__link:focus,
.form__input:focus,
.form__textarea:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Mobile device optimizations */
.mobile-device .hero__shape {
    animation: none !important;
    transform: none !important;
}

.mobile-device .animate-on-scroll {
    animation-duration: 0.3s;
}

/* Lazy loading styles */
img.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

img.lazy.loaded {
    opacity: 1;
}

/* Better mobile form styling */
@media (max-width: 768px) {
    .form__input,
    .form__textarea {
        padding: 1rem;
        border-radius: 8px;
        border: 2px solid var(--border-color);
        background: var(--background-card);
        color: var(--text-primary);
        transition: border-color var(--transition-fast);
    }
    
    .form__input:focus,
    .form__textarea:focus {
        border-color: var(--secondary-color);
        box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
    }
    
    .form__label {
        font-weight: 600;
        margin-bottom: 0.5rem;
        display: block;
    }
}

/* Improved mobile navigation */
@media (max-width: 768px) {
    .nav__menu {
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav__list {
        padding: 1rem 0;
    }
    
    .nav__item:last-child .nav__link {
        border-bottom: none;
    }
}

/* Mobile-specific animations */
@media (max-width: 768px) {
    @keyframes mobileSlideUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .animate-on-scroll.animated {
        animation: mobileSlideUp 0.4s ease;
    }
}

/* Better mobile typography */
@media (max-width: 1200px) {
    .container {
        padding: 0 24px;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .section__title {
        font-size: 2.5rem;
    }
    
    .hero__container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero__title {
        font-size: 3rem;
    }
    
    .contact__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer__content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 60px; /* Adjust based on header height */
        left: 0;
        width: 100%;
        background: rgba(15, 20, 25, 0.98);
        backdrop-filter: blur(10px);
        padding: 1rem;
        transform: translateY(-150%);
        transition: transform var(--transition-medium);
        box-shadow: var(--shadow-heavy);
        height: fit-content;
    }
    
    .nav__menu.active {
        transform: translateY(0);
    }
    
    .nav__list {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav__link {
        font-size: 1.1rem;
        padding: 0.5rem 0;
        border-bottom: 1px solid var(--border-color);
        transition: all var(--transition-fast);
    }
    
    .nav__link:hover {
        color: var(--secondary-color);
    }

    .nav__item:last-child .nav__link {
        border-bottom: none;
    }
    
    .nav__toggle {
        display: block;
    }
    
    .nav__cta {
        display: none;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section__title {
        font-size: 2rem;
    }
    
    .hero__title {
        font-size: 2.5rem;
    }
    
    .hero__stats {
        justify-content: center;
    }
    
    .hero__cta {
        justify-content: center;
    }
    
    .why-course__grid {
        grid-template-columns: 1fr;
    }
    
    .audience__grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer__social {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero__title {
        font-size: 1.8rem;
        line-height: 1.3;
    }
    
    .section__title {
        font-size: 1.6rem;
        line-height: 1.3;
    }
    
    .section__subtitle {
        font-size: 1rem;
    }
    
    .btn--large {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
    
    .hero__cta {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .hero__cta .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .hero__stats {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .stat {
        padding: 1rem;
        background: var(--background-card);
        border-radius: 12px;
    }
    
    .modal__content {
        margin: 0.5rem;
        padding: 1.5rem;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .form__group {
        margin-bottom: 1rem;
    }
    
    .form__input,
    .form__textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .nav__logo {
        font-size: 1.3rem;
    }
    
    .logo-img {
        width: 32px;
        height: 32px;
    }
}