/* ==================== ROOT VARIABLES ==================== */
:root {
    /* Colors */
    --primary-color: #10b981;
    --primary-dark: #059669;
    --primary-light: #34d399;
    --secondary-color: #0ea5e9;
    --accent-color: #f59e0b;
    
    --text-color: #1f2937;
    --text-light: #6b7280;
    --text-white: #ffffff;
    
    --bg-color: #ffffff;
    --bg-light: #f9fafb;
    --bg-dark: #111827;
    
    --border-color: #e5e7eb;
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #10b981 0%, #0ea5e9 100%);
    --gradient-secondary: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
    
    --h1-size: 3.5rem;
    --h2-size: 2.5rem;
    --h3-size: 1.75rem;
    --h4-size: 1.25rem;
    --normal-size: 1rem;
    --small-size: 0.875rem;
    
    /* Spacing */
    --header-height: 5rem;
    --section-padding: 5rem 0;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-normal: 0.5s ease;
    --transition-slow: 0.8s ease;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* ==================== RESET & BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    font-size: var(--normal-size);
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-color);
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

button {
    border: none;
    outline: none;
    cursor: pointer;
    font-family: inherit;
}

/* ==================== UTILITIES ==================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: var(--section-padding);
}

.section__header {
    text-align: center;
    margin-bottom: 4rem;
}

.section__subtitle {
    display: inline-block;
    font-size: var(--small-size);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.section__title {
    font-size: var(--h2-size);
    margin-bottom: 1rem;
}

.section__description {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

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

.accent {
    color: var(--primary-color);
}

/* ==================== BUTTONS ==================== */
.button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--normal-size);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.button--primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

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

.button--outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.button--outline:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
}

.button--small {
    padding: 0.75rem 1.5rem;
    font-size: var(--small-size);
}

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

/* ==================== HEADER ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-fast);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav__logo img {
    height: 40px;
    width: auto;
}

.nav__logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-secondary);
    color: var(--text-color);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav__link {
    font-weight: 500;
    color: var(--text-color);
    transition: var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

.nav__link:hover::after,
.nav__link.active-link::after {
    width: 100%;
}

.nav__cta {
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--text-white);
    border-radius: var(--radius-md);
}

.nav__cta::after {
    display: none;
}

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

.nav__toggle,
.nav__close {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

/* ==================== WHATSAPP FLOAT ==================== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition-fast);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
    }
}

/* ==================== HOME SECTION ==================== */
.home {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    position: relative;
    overflow: hidden;
}

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

.home__subtitle {
    font-size: var(--small-size);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.home__title {
    font-size: var(--h1-size);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.home__description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.home__buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.home__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat__item {
    text-align: left;
}

.stat__number {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat__text {
    font-size: var(--small-size);
    color: var(--text-light);
}

.home__image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.home__image-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.home__image img {
    position: relative;
    z-index: 1;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    object-fit: cover;
}

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

.home__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll__button {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: var(--small-size);
    transition: var(--transition-fast);
}

.scroll__button:hover {
    color: var(--primary-color);
    transform: translateY(5px);
}

.scroll__button i {
    font-size: 1.5rem;
    animation: scroll-down 2s infinite;
}

@keyframes scroll-down {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

/* ==================== ABOUT SECTION ==================== */
.about {
    background: var(--bg-light);
}

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

.about__image {
    position: relative;
}

.about__image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about__experience {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.about__experience h3 {
    font-size: 3rem;
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.about__experience p {
    font-size: var(--small-size);
    font-weight: 600;
}

.about__title {
    font-size: var(--h3-size);
    margin-bottom: 1.5rem;
}

.about__text {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about__features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature__item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature__icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-white);
    flex-shrink: 0;
}

.feature__content h4 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.feature__content p {
    color: var(--text-light);
    font-size: var(--small-size);
}

/* ==================== SERVICES SECTION ==================== */
.services__container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service__card {
    background: var(--bg-color);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    border: 2px solid transparent;
}

.service__card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.service__card--featured {
    background: var(--gradient-primary);
    color: var(--text-white);
}

.service__card--featured .service__title,
.service__card--featured .service__description,
.service__card--featured .service__list li {
    color: var(--text-white);
}

.service__card--featured .service__icon {
    background: rgba(255, 255, 255, 0.2);
}

.featured__badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent-color);
    color: var(--text-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: var(--small-size);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service__icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service__card--featured .service__icon {
    color: var(--text-white);
}

.service__title {
    font-size: var(--h4-size);
    margin-bottom: 1rem;
}

.service__description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service__list {
    margin-bottom: 1.5rem;
}

.service__list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-color);
    margin-bottom: 0.75rem;
    font-size: var(--small-size);
}

.service__list i {
    color: var(--primary-color);
    font-size: 1rem;
}

.service__card--featured .service__list i {
    color: var(--text-white);
}

.service__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition-fast);
}

.service__card--featured .service__link {
    color: var(--text-white);
}

.service__link:hover {
    gap: 1rem;
}

/* ==================== COURSES SECTION ==================== */
.courses {
    background: var(--bg-light);
}

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

.course__card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

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

.course__image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.course__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.course__card:hover .course__image img {
    transform: scale(1.1);
}

.course__badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-color);
    color: var(--text-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: var(--small-size);
    font-weight: 600;
}

.course__badge--presencial {
    background: var(--accent-color);
}

.course__content {
    padding: 2rem;
}

.course__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.course__category,
.course__duration {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--small-size);
    color: var(--text-light);
}

.course__category i,
.course__duration i {
    color: var(--primary-color);
}

.course__title {
    font-size: var(--h4-size);
    margin-bottom: 1rem;
}

.course__description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.course__topics {
    margin-bottom: 1.5rem;
}

.course__topics li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
    font-size: var(--small-size);
    color: var(--text-color);
}

.course__topics i {
    color: var(--primary-color);
}

.course__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.course__rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.course__rating i {
    color: var(--accent-color);
    font-size: 0.875rem;
}

.course__rating span {
    margin-left: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.courses__cta {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.courses__cta p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* ==================== CLIENTS SECTION ==================== */
.clients__container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.client__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    min-height: 120px;
}

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

.client__logo img {
    max-width: 120px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition-fast);
}

.client__logo:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

.client__placeholder {
    font-weight: 600;
    color: var(--text-light);
    text-align: center;
}

.testimonials__container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial__card {
    background: var(--bg-color);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
}

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

.testimonial__content {
    margin-bottom: 2rem;
}

.testimonial__content i {
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.3;
    margin-bottom: 1rem;
}

.testimonial__text {
    color: var(--text-light);
    line-height: 1.8;
    font-style: italic;
}

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

.author__info h4 {
    font-size: var(--normal-size);
    margin-bottom: 0.25rem;
}

.author__info span {
    font-size: var(--small-size);
    color: var(--text-light);
}

/* ==================== CONTACT SECTION ==================== */
.contact {
    background: var(--bg-light);
}

.contact__container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact__title {
    font-size: var(--h3-size);
    margin-bottom: 1rem;
}

.contact__text {
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact__item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

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

.contact__data h4 {
    margin-bottom: 0.5rem;
    font-size: var(--h4-size);
}

.contact__data p,
.contact__data a {
    color: var(--text-light);
    font-size: var(--normal-size);
}

.contact__data a:hover {
    color: var(--primary-color);
}

.contact__social {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.contact__social h4 {
    margin-bottom: 1rem;
}

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

.social__link {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

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

.contact__form-container {
    background: var(--bg-color);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form__label {
    font-weight: 600;
    color: var(--text-color);
    font-size: var(--small-size);
}

.form__input,
.form__textarea {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--normal-size);
    transition: var(--transition-fast);
    background: var(--bg-color);
    color: var(--text-color);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

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

.form__message {
    padding: 1rem;
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    display: none;
}

.form__message.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    display: block;
}

.form__message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 2px solid #ef4444;
    display: block;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 4rem 0 2rem;
}

.footer__container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer__logo {
    margin-bottom: 1rem;
}

.footer__description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-top: 1rem;
}

.footer__title {
    font-size: var(--h4-size);
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.footer__links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer__newsletter-text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.footer__newsletter {
    display: flex;
    gap: 0.5rem;
}

.newsletter__input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    font-family: inherit;
    transition: var(--transition-fast);
}

.newsletter__input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter__input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.newsletter__button {
    padding: 0.75rem 1.25rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--text-white);
    transition: var(--transition-fast);
}

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

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copy {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--small-size);
}

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

.footer__social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    transition: var(--transition-fast);
}

.footer__social a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* ==================== SCROLL TOP ==================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 6rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-fast);
    opacity: 0;
    visibility: hidden;
    z-index: 998;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ==================== ANIMATIONS (AOS) ==================== */
[data-aos] {
    opacity: 0;
    transition-property: transform, opacity;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(-50px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(50px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

/* ==================== RESPONSIVE ==================== */
@media screen and (max-width: 1024px) {
    :root {
        --h1-size: 2.5rem;
        --h2-size: 2rem;
        --h3-size: 1.5rem;
    }

    .home__container,
    .about__container,
    .contact__container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .home__image,
    .about__image {
        order: -1;
    }

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

@media screen and (max-width: 768px) {
    :root {
        --h1-size: 2rem;
        --h2-size: 1.75rem;
        --h3-size: 1.25rem;
        --section-padding: 3rem 0;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--bg-color);
        box-shadow: var(--shadow-xl);
        padding: 4rem 2rem;
        transition: var(--transition-normal);
    }

    .nav__menu.show-menu {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .nav__toggle,
    .nav__close {
        display: block;
    }

    .nav__close {
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
    }

    .home__stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .home__buttons {
        flex-direction: column;
    }

    .home__buttons .button {
        width: 100%;
        justify-content: center;
    }

    .services__container,
    .courses__container,
    .clients__container {
        grid-template-columns: 1fr;
    }

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

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

    .footer__bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .whatsapp-float {
        bottom: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .scroll-top {
        bottom: 1rem;
        right: 5rem;
        width: 45px;
        height: 45px;
    }

    .contact__form-container {
        padding: 2rem;
    }

    .section__header {
        margin-bottom: 2.5rem;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .about__experience {
        bottom: 1rem;
        right: 1rem;
        padding: 1.5rem;
    }

    .about__experience h3 {
        font-size: 2rem;
    }

    .service__card,
    .course__card,
    .testimonial__card {
        padding: 1.5rem;
    }

    .contact__form-container {
        padding: 1.5rem;
    }
}

/* ==================== PRINT STYLES ==================== */
@media print {
    .header,
    .whatsapp-float,
    .scroll-top,
    .home__scroll {
        display: none;
    }
}