/* ========================================
   VARIABLES & RESET
======================================== */
:root {
    --primary-color: #1a365d;
    --secondary-color: #2c5282;
    --accent-color: #3182ce;
    --text-dark: #1a202c;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #38a169;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

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

/* ========================================
   HEADER & NAVIGATION
======================================== */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    display: block;
    height: 60px;
    width: auto;
}

.logo h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
}

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

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

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

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

/* ========================================
   BUTTONS
======================================== */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

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

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

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

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

.btn-large {
    padding: 1rem 3rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* ========================================
   HERO SECTION
======================================== */
.hero {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero-title .accent-text {
    color: #63b3ed;
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 60px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
    color: #63b3ed;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
    margin-top: 0.5rem;
}

/* ========================================
   SECTIONS GENERAL
======================================== */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    margin: 1rem auto 0;
    border-radius: 2px;
}

.alt-bg {
    background: var(--bg-light);
}

/* ========================================
   SERVICES PREVIEW
======================================== */
.services-preview {
    background: var(--bg-white);
}

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

.service-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.service-link {
    color: var(--accent-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-link:hover {
    gap: 1rem;
}

/* ========================================
   WHY ME SECTION
======================================== */
.why-me {
    background: var(--bg-light);
}

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

.why-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
}

.why-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

.why-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.why-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ========================================
   TESTIMONIALS
======================================== */
.testimonials {
    background: var(--bg-white);
}

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

.testimonial-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--accent-color);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.testimonial-author h5 {
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ========================================
   CTA SECTION
======================================== */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
    padding: 100px 0;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   SERVICE DETAIL PAGES
======================================== */
.page-header {
    padding: 150px 0 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.service-detail {
    padding: 80px 0;
}

.service-detail-content {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 3rem;
    align-items: start;
}

.service-detail-content.reverse {
    direction: rtl;
}

.service-detail-content.reverse > * {
    direction: ltr;
}

.service-detail-icon {
    width: 150px;
    height: 150px;
    background: var(--accent-color);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.service-detail-icon i {
    font-size: 4rem;
    color: white;
}

.service-detail-info h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.service-subtitle {
    color: var(--accent-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.service-detail-info > p {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.service-features {
    margin-bottom: 2rem;
}

.service-features h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

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

.features-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.features-list li i {
    color: var(--success-color);
    font-size: 1.3rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.features-list li strong {
    display: block;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.features-list li p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.case-study {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    border-left: 4px solid var(--success-color);
}

.case-study h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.case-study p {
    color: var(--text-light);
}

/* ========================================
   LEVELS GRID (Excel)
======================================== */
.levels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.level-card {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 10px;
    position: relative;
}

.level-badge {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.level-card ul {
    list-style: none;
}

.level-card ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.95rem;
}

.level-card ul li:last-child {
    border-bottom: none;
}

.level-card ul li::before {
    content: '✓';
    color: var(--success-color);
    margin-right: 0.5rem;
    font-weight: bold;
}

/* ========================================
   PRICING
======================================== */
.pricing {
    background: var(--bg-white);
}

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

.pricing-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    border: 2px solid var(--border-color);
    text-align: center;
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.pricing-card.featured {
    border-color: var(--accent-color);
    background: linear-gradient(135deg, #ebf8ff 0%, #ffffff 100%);
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.price-desc {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.pricing-card ul {
    text-align: left;
    margin-bottom: 2rem;
}

.pricing-card ul li {
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-card ul li i {
    color: var(--success-color);
}

/* ========================================
   PROFILE PAGE
======================================== */
.profile-header {
    padding: 150px 0 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.profile-content {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 3rem;
    align-items: center;
}

.profile-image {
    text-align: center;
}

.image-placeholder {
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    border: 4px solid rgba(255, 255, 255, 0.3);
}

.image-placeholder i {
    font-size: 5rem;
    opacity: 0.5;
}

.profile-info h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.profile-title {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.profile-summary {
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 700px;
}

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

/* ========================================
   TIMELINE (Experience)
======================================== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-color);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding-left: 40px;
    margin-bottom: 3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
    border: 4px solid var(--bg-white);
}

.timeline-date {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-content {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.timeline-content h4 {
    color: var(--accent-color);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.timeline-content ul {
    list-style: none;
}

.timeline-content ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.timeline-content ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* ========================================
   EDUCATION & CERTIFICATIONS
======================================== */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.education-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
}

.edu-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.edu-icon i {
    font-size: 1.5rem;
    color: white;
}

.education-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.education-card h4 {
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.edu-year {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.cert-card {
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    border: 1px solid var(--border-color);
}

.cert-card i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.cert-card h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.cert-card span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ========================================
   SKILLS
======================================== */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.skill-tag {
    background: var(--bg-white);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    border: 2px solid var(--accent-color);
    color: var(--primary-color);
    font-weight: 500;
    transition: var(--transition);
}

.skill-tag:hover {
    background: var(--accent-color);
    color: white;
}

/* ========================================
   CONTACT PAGE
======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.contact-items {
    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(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: white;
    font-size: 1.2rem;
}

.contact-details h4 {
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.contact-details a {
    color: var(--accent-color);
}

.contact-details a:hover {
    text-decoration: underline;
}

.contact-details p {
    color: var(--text-light);
}

.availability {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid var(--success-color);
}

.availability h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.availability p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Contact Form */
.contact-form-container {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

.contact-form-container h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
}

/* Form Messages */
.form-message {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

.form-message-success {
    background: #f0fff4;
    border: 1px solid #9ae6b4;
    color: #276749;
}

.form-message-error {
    background: #fff5f5;
    border: 1px solid #fc8181;
    color: #c53030;
}

.form-message i {
    font-size: 1.25rem;
    flex-shrink: 0;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Button disabled state */
.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.btn .fa-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Map & FAQ */
.map-placeholder {
    background: var(--bg-light);
    padding: 4rem 2rem;
    border-radius: 10px;
    text-align: center;
    margin-top: 2rem;
}

.map-placeholder i {
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.map-placeholder p {
    color: var(--text-light);
    font-size: 1.2rem;
}

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

.faq-item {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.faq-item h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.faq-item p {
    color: var(--text-light);
}

/* ========================================
   FOOTER
======================================== */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-info h3 {
    margin-bottom: 1rem;
}

.footer-info p {
    opacity: 0.9;
}

.footer-contact h4,
.footer-social h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

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

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    opacity: 0.9;
}

.footer-contact ul li i {
    color: var(--accent-color);
}

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

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.8;
}

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .service-detail-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .service-detail-icon {
        margin: 0 auto;
    }
    
    .profile-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .profile-actions {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: var(--bg-white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .timeline::before {
        left: 10px;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline-item::before {
        left: 2px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}