/* 
 * Vasukatech - Main Stylesheet
 * A stylish, unique landing page for a healthy nutrition company
 */

/* ===== Base Styles ===== */
:root {
    /* Main color palette */
    --primary-color: #4CAF50;
    --secondary-color: #8BC34A;
    --accent-color: #FF9800;
    --dark-color: #2C3E50;
    --light-color: #ECEFF1;
    --white: #FFFFFF;
    --black: #000000;
    
    /* Plan colors */
    --basic-color: #90CAF9;
    --standard-color: #4CAF50;
    --premium-color: #FFC107;
    
    /* Font families */
    --heading-font: 'Montserrat', sans-serif;
    --body-font: 'Open Sans', sans-serif;
    --accent-font: 'Raleway', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    color: #333;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 600;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2:after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.section-header.light h2:after {
    background-color: var(--white);
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

.section-header.light p {
    color: var(--light-color);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--accent-font);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary-color);
}

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

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--dark-color);
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.8rem;
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 8px 20px;
    border-radius: 4px;
    font-size: 0.9rem;
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-plan {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: var(--white);
    color: var(--dark-color);
    border: 2px solid var(--dark-color);
    border-radius: 4px;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-plan:hover {
    background-color: var(--dark-color);
    color: var(--white);
}

/* ===== Header & Navigation ===== */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
}

header.scrolled {
    background-color: var(--white);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
}

nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    margin-left: 30px;
}

.nav-menu li {
    margin-left: 25px;
}

.nav-menu a {
    font-family: var(--accent-font);
    font-weight: 500;
    color: var(--dark-color);
    font-size: 0.95rem;
    position: relative;
}

.nav-menu a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    bottom: -5px;
    left: 0;
    transition: width 0.3s ease;
}

.nav-menu a:hover:after,
.nav-menu a.active:after {
    width: 100%;
}

.nav-cta {
    background-color: var(--primary-color);
    color: var(--white) !important;
    padding: 8px 20px;
    border-radius: 4px;
}

.nav-cta:hover {
    background-color: var(--secondary-color);
}

.nav-cta:after {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===== Hero Section ===== */
.hero {
    height: 100vh;
    min-height: 600px;
    background: url('images/hero.jpg') no-repeat center center/cover;
    position: relative;
    color: var(--white);
    display: flex;
    align-items: center;
    text-align: center;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    font-family: var(--accent-font);
}

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

/* ===== About Section ===== */
.about {
    padding: 100px 0;
    background-color: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.about-image:after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 10px solid rgba(76, 175, 80, 0.2);
    top: 20px;
    left: 20px;
    z-index: -1;
    border-radius: 10px;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 15px;
    color: #555;
}

.about-numbers {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.number {
    text-align: center;
    padding: 20px 15px;
    background-color: var(--light-color);
    border-radius: 8px;
}

.number span {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--heading-font);
}

.number p {
    margin-top: 5px;
    margin-bottom: 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-color);
}

/* ===== Principles Section ===== */
.principles {
    padding: 100px 0;
    background-color: var(--light-color);
    position: relative;
    overflow: hidden;
}

.principles:before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background-color: rgba(76, 175, 80, 0.1);
    border-radius: 50%;
    top: -100px;
    left: -100px;
}

.principles:after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background-color: rgba(76, 175, 80, 0.1);
    border-radius: 50%;
    bottom: -50px;
    right: -50px;
}

.principles-cards {
    display: flex;
    gap: 30px;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.principle-card {
    background-color: var(--white);
    border-radius: 8px;
    padding: 40px 30px;
    text-align: center;
    flex: 1;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.principle-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.principle-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    border-radius: 50%;
    margin: 0 auto 25px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.principle-icon:after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px dashed var(--primary-color);
    animation: spin 20s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.principle-icon i {
    font-size: 2rem;
    color: var(--white);
}

.principle-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.principle-card p {
    color: #666;
    font-size: 0.95rem;
}

/* ===== Services Section ===== */
.services {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.services:before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -200px;
    right: -200px;
}

.services-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 1;
}

.service-item {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.service-item:hover {
    transform: translateY(-10px);
    background-color: rgba(255, 255, 255, 0.2);
}

.service-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 25px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid rgba(255, 255, 255, 0.3);
}

.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-item h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.service-item p {
    margin-bottom: 25px;
    font-size: 0.95rem;
    opacity: 0.9;
}

.service-item .btn-outline {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

.service-item .btn-outline:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

/* ===== Experts Section ===== */
.experts {
    padding: 100px 0;
    background-color: var(--white);
}

.expert-slider {
    position: relative;
    display: flex;
    overflow: hidden;
    margin: 0 -15px;
}

.expert-slide {
    min-width: calc(33.333% - 30px);
    margin: 0 15px;
    background-color: var(--light-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.expert-slide:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.expert-image {
    height: 250px;
    overflow: hidden;
}

.expert-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.expert-slide:hover .expert-image img {
    transform: scale(1.1);
}

.expert-info {
    padding: 25px;
    text-align: center;
}

.expert-info h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.expert-info span {
    display: block;
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

.expert-info p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 20px;
}

.slider-nav {
    position: absolute;
    width: 100%;
    display: flex;
    justify-content: space-between;
    top: 50%;
    transform: translateY(-50%);
    padding: 0 15px;
}

.slider-nav button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--white);
    border: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-nav button:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* ===== Why Choose Us Section ===== */
.why-us {
    padding: 100px 0;
    background-color: var(--light-color);
}

.why-us .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.why-us-content {
    flex: 1;
}

.why-us-content h2 {
    font-size: 2.2rem;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.why-us-content h2:after {
    content: '';
    position: absolute;
    width: 70px;
    height: 3px;
    background-color: var(--primary-color);
    bottom: 0;
    left: 0;
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.why-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.why-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.why-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.why-item h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.why-item p {
    font-size: 0.9rem;
    color: #555;
}

.why-us-image {
    flex: 1;
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.why-us-image:before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.6));
    z-index: 1;
}

.why-us-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== Pricing Section ===== */
.pricing {
    padding: 100px 0;
    background-color: var(--white);
    position: relative;
}

.pricing:before {
    content: '';
    position: absolute;
    width: 100%;
    height: 50%;
    background-color: var(--light-color);
    top: 0;
    left: 0;
    z-index: 0;
}

.pricing .container {
    position: relative;
    z-index: 1;
}

.pricing-plans {
    display: flex;
    gap: 30px;
    justify-content: center;
}

.pricing-plan {
    flex: 1;
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
}

.pricing-plan:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.plan-header {
    padding: 30px;
    text-align: center;
    position: relative;
}

.basic .plan-header {
    background-color: var(--basic-color);
    color: var(--white);
}

.standard .plan-header {
    background-color: var(--standard-color);
    color: var(--white);
}

.premium .plan-header {
    background-color: var(--premium-color);
    color: var(--white);
}

.popular-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 5px 10px;
    font-size: 0.8rem;
    font-weight: 600;
    border-bottom-left-radius: 10px;
}

.plan-header h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.plan-price {
    margin-bottom: 15px;
}

.plan-price .amount {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--heading-font);
}

.plan-price .currency {
    font-size: 1.2rem;
    vertical-align: top;
    position: relative;
    top: 5px;
}

.plan-price .period {
    font-size: 0.9rem;
    opacity: 0.8;
}

.plan-header p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.plan-features {
    padding: 30px;
    background-color: var(--white);
}

.plan-features ul li {
    padding: 10px 0;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
}

.plan-features ul li i {
    margin-right: 10px;
    color: var(--primary-color);
}

.plan-features ul li.not-included {
    opacity: 0.6;
}

.plan-features ul li.not-included i {
    color: #ccc;
}

.plan-footer {
    padding: 20px 30px 30px;
}

/* ===== Contact Section ===== */
.contact {
    padding: 100px 0;
    background-color: var(--light-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.contact-info > p {
    margin-bottom: 30px;
    color: #555;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.contact-item div h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.contact-item div p {
    color: #555;
}

.contact-map {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.contact-form {
    background-color: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.contact-form h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--dark-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--body-font);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    outline: none;
}

.form-group.checkbox {
    display: flex;
    align-items: center;
}

.form-group.checkbox input {
    width: auto;
    margin-right: 10px;
}

.form-group.checkbox label {
    margin-bottom: 0;
    font-weight: 400;
    font-size: 0.9rem;
}

.form-group.checkbox a {
    color: var(--primary-color);
    text-decoration: underline;
}

/* ===== Newsletter Section ===== */
.newsletter {
    padding: 80px 0;
    background: url('images/newsletter.jpg') no-repeat center center/cover;
    position: relative;
    color: var(--white);
    text-align: center;
}

.newsletter:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(44, 62, 80, 0.9);
}

.newsletter-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.newsletter h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.newsletter p {
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.newsletter-form .form-group {
    margin-bottom: 0;
}

.newsletter-form .form-group input {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
}

.newsletter-form .form-group button {
    width: 100%;
    padding: 15px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter-form .form-group button:hover {
    background-color: var(--secondary-color);
}

.newsletter-form .form-group.checkbox {
    justify-content: center;
}

.newsletter-form .form-group.checkbox input {
    width: auto;
}

.newsletter-form .form-group.checkbox label {
    color: var(--white);
}

.newsletter-form .form-group.checkbox a {
    color: var(--accent-color);
}

/* ===== Footer ===== */
.footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 80px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-about .footer-logo {
    height: 50px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-about p {
    margin-bottom: 20px;
    opacity: 0.8;
    font-size: 0.95rem;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background-color: var(--primary-color);
    transform: translateY(-5px);
}

.footer-links h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--white);
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3:after {
    content: '';
    position: absolute;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
    bottom: 0;
    left: 0;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links ul li a {
    color: var(--light-color);
    opacity: 0.8;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.footer-links ul li a:hover {
    opacity: 1;
    padding-left: 5px;
    color: var(--primary-color);
}

.footer-contact h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--white);
    position: relative;
    padding-bottom: 10px;
}

.footer-contact h3:after {
    content: '';
    position: absolute;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
    bottom: 0;
    left: 0;
}

.footer-contact p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    opacity: 0.8;
    font-size: 0.95rem;
}

.footer-contact p i {
    margin-right: 10px;
    color: var(--primary-color);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright p {
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    font-size: 0.9rem;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.footer-legal a:hover {
    opacity: 1;
    color: var(--primary-color);
}

/* ===== Back to Top Button ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

/* ===== Responsive Styles ===== */
@media (max-width: 1200px) {
    .expert-slide {
        min-width: calc(50% - 30px);
    }
    
    .why-us .container {
        flex-direction: column;
    }
    
    .why-us-image {
        width: 100%;
        max-height: 500px;
    }
}

@media (max-width: 992px) {
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image:after {
        display: none;
    }
    
    .principles-cards {
        flex-direction: column;
    }
    
    .pricing-plans {
        flex-direction: column;
    }
    
    .pricing-plan {
        margin-bottom: 30px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 20px;
        transition: all 0.3s ease;
        margin-left: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .expert-slide {
        min-width: 100%;
    }
    
    .why-us-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .newsletter-form .form-group {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .about-content h2,
    .why-us-content h2,
    .contact-info h2 {
        font-size: 1.8rem;
    }
    
    .about-numbers {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
}