* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #e8e8e8;
    font-family: 'Inter', Arial, sans-serif;
    overflow-x: hidden;
}

/* Header Styles */
.header {
    position: relative;
    margin-bottom: 30px;
    z-index: 10;
}

.header-container {
    background: transparent;
    padding: 15px 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 10;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    position: relative;
}

.brand-link:hover {
    opacity: 0.8;
}

.logo-image {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

.brand-name {
    font-size: 18px;
    font-weight: 600;
    font-family: 'Inter', Arial, sans-serif;
    font-weight: 700;
    color: #000;
}

.navigation {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex: 1;
}

.nav-link {
    color: #000;
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    transition: color 0.3s ease;
    cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
    color: #666;
    font-weight: 600;
}

/* Dropdown Styles */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    padding: 0 5px;
}

.more-icon {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

.nav-dropdown:hover .more-icon {
    transform: rotate(90deg);
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    min-width: 180px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 8px 0;
    z-index: 1000;
}

.nav-dropdown:hover .dropdown-content {
    display: block;
    animation: fadeIn 0.3s ease;
}

.dropdown-link {
    color: #000;
    text-decoration: none;
    padding: 10px 20px;
    display: block;
    font-size: 14px;
    transition: all 0.3s ease;
}

.dropdown-link:hover {
    background: #f5f5f5;
    color: #666;
}

.dropdown-link.active {
    color: #666;
    font-weight: 600;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mobile Navigation Section */
.mobile-nav-section {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    margin-top: 10px;
    padding-top: 10px;
}

.section-title {
    color: #666;
    font-size: 14px;
    font-weight: 600;
    padding: 10px 15px;
    margin-bottom: 5px;
}

.download-section {
    display: flex;
    align-items: center;
}

.download-btn {
    background: #fff;
    border: 1px solid #333;
    border-radius: 25px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: #000;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.download-btn:hover {
    background: #f5f5f5;
    transform: translateY(-1px);
}

.mobile-nav-link {
    color: #000;
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: color 0.3s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: #666;
}

.mobile-nav-section {
    padding: 10px 0;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    margin-top: 5px;
}

.mobile-nav-section .section-title {
    color: #666;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 0;
    margin-bottom: 5px;
}

.mobile-nav-section .mobile-nav-link {
    padding: 8px 0;
    font-size: 15px;
    border-bottom: none;
}

.mobile-download {
    display: flex;
    justify-content: center;
}

.mobile-download-btn {
    background: #fff;
    border: 1px solid #333;
    border-radius: 25px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    color: #000;
    cursor: pointer;
    transition: all .3s ease;
    width: 100%;
    max-width: 200px;
}

.mobile-download-btn:hover {
    background: #f5f5f5;
    transform: translateY(-1px);
}

/* Main Tutorial Container */
.tutorial-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    position: relative;
    background: linear-gradient(-45deg,
        #0e1f14,
        #1b5f30,
        #2e7a49,
        #6fbf82,
        #e8f5e9
    );
    background-size: 180% 180%;
    animation: gradient-animation 12s ease infinite;
}

@keyframes gradient-animation {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Main Panel */
.main-panel {
    background: #fafafa;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    max-width: 1200px;
    width: 100%;
    min-height: auto;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    z-index: 2;
}

/* Tutorial Steps */
.tutorial-step {
    display: none;
    padding: 25px;
    animation: fadeEffect 0.5s;
}

.tutorial-step.active {
    display: block;
}

@keyframes fadeEffect {
    from {opacity: 0;}
    to {opacity: 1;}
}

.split-container {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.left-part, .right-part {
    flex: 1;
}

.tutorial-step img {
    max-width: 200px;
    width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 0 auto;
    display: block;
    object-fit: contain;
}

.right-part p {
    margin-top: 20px;
}

.tutorial-step h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.tutorial-step p {
    font-size: 15px;
    color: #666;
    line-height: 1.5;
    text-align: center;
    max-width: 600px;
    margin: 15px auto;
}

.tutorial-step ul {
    max-width: 600px;
    margin: 20px auto;
    text-align: center;
    list-style-position: inside;
}

.tutorial-step h3 {
    text-align: center;
}

.step-number {
    display: inline-block;
    width: 36px;
    height: 36px;
    background-color: #1b5f30;
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 36px;
    margin-right: 12px;
    font-weight: 600;
}

/* Navigation Controls */
.nav-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 10px;
    background: transparent;
}

.nav-buttons button {
    padding: 8px 16px;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    color: #fff;
    background: #1b5f30;
    font-size: 14px;
}

.nav-buttons button:hover {
    background: #2e7a49;
    transform: translateY(-1px);
}

.nav-buttons button:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

/* Dots Navigation */
.dots-container {
    text-align: center;
    padding: 5px 0;
    background: transparent;
    margin-bottom: 10px;
}

.dot {
    height: 12px;
    width: 12px;
    margin: 0 6px;
    background-color: #ddd;
    border-radius: 50%;
    display: inline-block;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot:hover {
    background-color: #2e7a49;
    transform: scale(1.2);
}

.dot.active {
    background-color: #1b5f30;
    transform: scale(1.2);
}

/* Background Decorations */
.bg-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.bg-curve-1 {
    position: absolute;
    top: 20%;
    left: 10%;
    width: 200px;
    height: 200px;
    border: 2px solid rgba(155, 185, 164, 0.2);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.bg-curve-2 {
    position: absolute;
    top: 60%;
    right: 15%;
    width: 150px;
    height: 150px;
    border: 1px solid rgba(93, 140, 106, 0.3);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

.bg-curve-3 {
    position: absolute;
    bottom: 10%;
    left: 20%;
    width: 100px;
    height: 100px;
    border: 1px solid rgba(62, 119, 79, 0.2);
    border-radius: 50%;
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* Responsive Design */
@media screen and (max-width: 1200px) {
    .main-panel {
        max-width: 90%;
    }
}

@media screen and (max-width: 768px) {
    .header-container {
        padding: 10px 15px;
    }
    
    .tutorial-step {
        padding: 20px;
    }
    
    .nav-buttons {
        padding: 15px 20px;
    }
    
    .nav-buttons button {
        padding: 10px 20px;
    }
    
    .brand-name {
        font-size: 16px;
    }
    
    .navigation {
        display: none;
    }
}

/* Burger Menu */
.burger-menu {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    gap: 4px;
    margin-left: 15px;
}

.burger-line {
    width: 24px;
    height: 3px;
    background: #000;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.burger-menu.active .burger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.burger-menu.active .burger-line:nth-child(2) {
    opacity: 0;
}

.burger-menu.active .burger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu Dropdown */
.mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fafafa;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 20px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 10;
}

.mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mobile-nav-link {
    color: #000;
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: color 0.3s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: #666;
}

@media screen and (max-width: 768px) {
    .navigation {
        display: none;
    }

    .burger-menu {
        display: flex;
    }

    .tutorial-step img {
        max-width: 250px;
        width: 100%;
    }

    .tutorial-step h3 {
        font-size: 18px;
    }

    .tutorial-step p {
        font-size: 14px;
    }
}

@media screen and (max-width: 480px) {
    .tutorial-step img {
        max-width: 200px;
        width: 100%;
    }

    .tutorial-step h3 {
        font-size: 16px;
    }
    
    .tutorial-step p {
        font-size: 13px;
    }
    
    .nav-buttons button {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .dot {
        height: 10px;
        width: 10px;
        margin: 0 4px;
    }
    .download-btn{
        display: none;
    }
}

/* Completion Step Styles */
.completion-icon {
    width: 100px !important;
    height: 100px !important;
    margin: 20px auto !important;
}

.completion-message {
    background: #f5f5f5;
    border-radius: 10px;
    padding: 20px;
    margin: 20px auto;
    max-width: 500px;
}

.completion-message ul {
    list-style-position: inside;
    margin: 10px 0 !important;
    padding: 0;
}

.completion-message li {
    margin: 8px 0;
    color: #444;
}

[data-step="10"] p {
    color: #1b5f30;
    font-weight: 500;
}