/* Reset and base styles */
* {
    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;
}

.brand-link:hover::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #000;
    animation: underlineExpand 0.3s ease forwards;
}

@keyframes underlineExpand {
    from {
        width: 0;
        left: 50%;
    }
    to {
        width: 100%;
        left: 0;
    }
}

.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;
}

.nav-link {
    color: #000;
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    transition: color 0.3s ease;
    cursor: pointer;
}

/* 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;
}

@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;
}

.nav-link:hover,
.nav-link.active {
    color: #666;
    font-weight: 600;
}

.download-section {
    display: flex;
    align-items: center;
}

.download-btn {
    text-decoration: none;
    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;
}

.download-btn:hover {
    background: #f5f5f5;
    transform: translateY(-1px);
}

/* 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;
}

.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;
}

.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 0.3s ease;
    width: 100%;
    max-width: 200px;
    text-decoration: none;
    text-align: center;
}

.mobile-download-btn:hover {
    background: #f5f5f5;
    transform: translateY(-1px);
}

/* Main Container */
.download-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    position: relative;
}

.download-container {
    background: linear-gradient(-45deg,
        #0e1f14,  /* dark base for depth */
        #1b5f30,  /* your main deep green */
        #2e7a49,  /* lively accent green */
        #6fbf82,  /* fresh, friendly tone */
        #e8f5e9   /* soft white-green glow */
    );
    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: 1400px;
    width: 100%;
    min-height: 700px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    z-index: 2;
}

/* Content Wrapper */
.content-wrapper {
    display: flex;
    flex: 1;
    position: relative;
    z-index: 3;
    padding-bottom: 50px;
}

/* Left Content Area */
.content-left {
    flex: 1;
    padding: 60px 50px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    position: relative;
    z-index: 3;
    opacity: 0;
    transform: translateX(-50px);
    animation: slideInLeft 0.8s ease-out forwards;
}

.content-header {
    margin-bottom: 40px;
}

.main-heading {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.heading-primary {
    font-size: 48px;
    font-weight: 700;
    color: #000;
    line-height: 1.1;
}

.heading-secondary {
    font-size: 28px;
    font-weight: 400;
    font-style: italic;
    color: #000;
    line-height: 1.2;
}

.content-body {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.description-box {
    background: transparent;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 20px;
    position: relative;
}

.description-text {
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    font-weight: 400;
}

/* Download Actions */
.download-actions {
    display: flex;
    flex-direction: column;
    gap: 25px;
    align-items: flex-start;
}

.download-apk-btn {
    background: linear-gradient(135deg, #1b5f30 0%, #2e7a49 100%);
    border: none;
    border-radius: 15px;
    padding: 20px 30px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 8px 25px rgba(27, 95, 48, 0.3);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out 0.4s forwards;
}

.download-apk-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(27, 95, 48, 0.4);
}

.btn-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

.btn-icon svg {
    width: 20px;
    height: 20px;
    stroke: white;
    stroke-width: 2;
}

.btn-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.btn-subtitle {
    font-size: 14px;
    opacity: 0.9;
}

.download-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
    width: 100%;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

.detail-value {
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

/* Right Content Area */
.content-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: transparent;
    position: relative;
    padding: 60px 50px;
    z-index: 3;
}


/* Installation Steps */
.installation-steps {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 400px;
    
}

.steps-title {
    font-size: 20px;
    font-weight: 700;
    color: #000;
    margin-bottom: 25px;
    text-align: center;
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    opacity: 0;
    transform: translateY(20px);
}

.step-number {
    width: 30px;
    height: 30px;
    background: #1b5f30;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 16px;
    font-weight: 700;
    color: #000;
    margin-bottom: 5px;
}

.step-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.4;
}

/* 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;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes slideInLeft {
    0% {
        opacity: 0;
        transform: translateX(-50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    0% {
        opacity: 0;
        transform: translateX(100px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes phoneFloat {
    0%, 100% { 
        transform: translateY(0px) rotateZ(0deg);
    }
    25% { 
        transform: translateY(-2px) rotateZ(1deg);
    }
    50% { 
        transform: translateY(-1px) rotateZ(0deg);
    }
    75% { 
        transform: translateY(-2px) rotateZ(-1deg);
    }
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Notification Animations */
@keyframes slideInRight {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    0% {
        transform: translateX(0);
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Responsive Design */

/* Large tablets and small desktops */
@media screen and (max-width: 1200px) {
    .main-panel {
        max-width: 1000px;
    }
    
    .heading-primary {
        font-size: 42px;
    }
    
    .heading-secondary {
        font-size: 24px;
    }
    
    .download-info {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .phone-image {
        max-width: 280px;
    }
}

@media screen and (max-width: 1024px) {
    .content-left {
        padding: 40px 30px;
    }
    
    .content-right {
        padding: 40px 30px;
    }
    
    .heading-primary {
        font-size: 36px;
    }
    
    .heading-secondary {
        font-size: 22px;
    }
    
    .header-container {
        padding: 12px 20px;
    }
    
    .navigation {
        gap: 20px;
    }
    
    .nav-link {
        font-size: 15px;
    }
    
    .download-info {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .phone-image {
        max-width: 250px;
    }
}

/* Tablets */
@media screen and (max-width: 768px) {
    .download-container {
        padding: 20px;
    }
    
    .main-panel {
        flex-direction: column;
        border-radius: 16px;
        min-height: auto;
        max-width: 100%;
    }
    
    .content-wrapper {
        flex-direction: column;
    }
    
    .content-left {
        padding: 40px 30px;
        text-align: center;
    }
    
    .content-right {
        padding: 20px 30px;
        align-items: center;
    }
    
    .heading-primary {
        font-size: 32px;
    }
    
    .heading-secondary {
        font-size: 20px;
    }
    
    .download-info {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .info-card {
        padding: 20px 15px;
    }
    
    .download-actions {
        align-items: center;
    }
    
    .download-apk-btn {
        padding: 18px 25px;
    }
    
    .phone-image {
        max-width: 220px;
    }
    
    .installation-steps {
        padding: 25px 20px;
    }
    
    .header-container {
        padding: 10px 15px;
    }
    
    .brand-section {
        flex: 1;
    }
    
    .brand-name {
        font-size: 16px;
    }
    
    .navigation {
        display: none;
    }
    
    .download-section {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    
    .download-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .burger-menu {
        display: flex;
        margin-right: 20px;
    }
}

/* Mobile devices */
@media screen and (max-width: 480px) {
    .download-container {
        padding: 15px;
    }
    
    .content-left {
        padding: 30px 20px;
    }
    
    .content-right {
        padding: 20px;
    }
    
    .heading-primary {
        font-size: 28px;
    }
    
    .heading-secondary {
        font-size: 18px;
    }
    
    .description-box {
        padding: 20px;
    }
    
    .description-text {
        font-size: 15px;
    }
    
    .info-card {
        padding: 18px 12px;
    }
    
    .info-content h3 {
        font-size: 15px;
    }
    
    .info-content p {
        font-size: 13px;
    }
    
    .download-apk-btn {
        padding: 15px 20px;
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .btn-title {
        font-size: 16px;
    }
    
    .btn-subtitle {
        font-size: 13px;
    }
    
    .download-details {
        padding: 15px;
    }
    
    .detail-label,
    .detail-value {
        font-size: 13px;
    }
    
    .phone-image {
        max-width: 180px;
    }
    
    .installation-steps {
        padding: 20px 15px;
    }
    
    .steps-title {
        font-size: 18px;
    }
    
    .step-content h4 {
        font-size: 15px;
    }
    
    .step-content p {
        font-size: 13px;
    }
    
    .header-container {
        padding: 8px 12px;
        flex-direction: row;
        gap: 8px;
    }
    
    .brand-section {
        width: 100%;
        justify-content: center;
        gap: 8px;
    }
    
    .logo-image {
        width: 28px;
        height: 28px;
    }
    
    .brand-name {
        font-size: 14px;
    }
    
    .navigation {
        order: 2;
        width: 100%;
        justify-content: center;
        gap: 12px;
        padding-top: 0;
    }
    
    .nav-link {
        font-size: 13px;
    }
    
    .download-section {
        order: 3;
    }
    
    .download-btn {
        padding: 6px 14px;
        font-size: 12px;
    }
}

/* Small mobile devices */
@media screen and (max-width: 320px) {
    .content-left {
        padding: 20px 15px;
    }
    
    .content-right {
        padding: 15px;
    }
    
    .heading-primary {
        font-size: 24px;
    }
    
    .heading-secondary {
        font-size: 16px;
    }
    
    .info-card {
        padding: 15px 10px;
    }
    
    .download-apk-btn {
        padding: 12px 15px;
    }
    
    .phone-image {
        max-width: 150px;
    }
    
    .installation-steps {
        padding: 15px 10px;
    }
    
    .header-container {
        padding: 6px 10px;
    }
    
    .brand-name {
        font-size: 12px;
    }
    
    .logo-image {
        width: 24px;
        height: 24px;
    }
    
    .nav-link {
        font-size: 12px;
    }
    
    .navigation {
        gap: 10px;
    }
    
    .download-btn {
        padding: 5px 12px;
        font-size: 11px;
    }
}

/* Sliding Panel Styles */
.side-panel {
    position: fixed !important;
    top: 0 !important;
    right: -300px !important;
    width: 300px !important;
    height: 100vh !important;
    height: 100dvh !important;
    background: #faf7f3 !important;
    box-shadow: -2px 0 10px rgba(0,0,0,0.1) !important;
    z-index: 1000 !important;
    transition: right 0.3s ease !important;
    border-left: 2px solid #3e774f !important;
    max-height: 100vh !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    margin: 0 !important;
    padding: 0 !important;
}

.side-panel.open {
    right: 0 !important;
}

.panel-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 20px !important;
    background: #1b5f30 !important;
    color: white !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 1002 !important;
    margin: 0 !important;
}

.panel-header h2 {
    font-family: 'Inter', Arial, sans-serif !important;
    font-size: 1.5rem !important;
    font-weight: 600 !important;
    margin: 0 !important;
}

.close-btn {
    background: none !important;
    border: none !important;
    color: white !important;
    font-size: 2rem !important;
    cursor: pointer !important;
    padding: 0 !important;
    width: 30px !important;
    height: 30px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 50% !important;
    transition: background 0.2s !important;
    min-width: 44px !important;
    min-height: 44px !important;
    touch-action: manipulation !important;
    margin: 0 !important;
}

.close-btn:hover {
    background: rgba(255,255,255,0.2) !important;
}

.panel-content {
    padding: 20px 0 !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    margin: 0 !important;
}

.menu-item {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 15px 20px !important;
    cursor: pointer !important;
    transition: background 0.2s !important;
    border-bottom: 1px solid #e0e0e0 !important;
    min-height: 44px !important;
    touch-action: manipulation !important;
    margin: 0 !important;
}

.menu-item:hover {
    background: #f0f0f0 !important;
}

.menu-item span {
    font-family: 'Inter', Arial, sans-serif !important;
    font-size: 1.1rem !important;
    color: #333 !important;
    font-weight: 500 !important;
    margin: 0 !important;
}

.menu-arrow {
    width: 20px !important;
    height: 20px !important;
    transform: rotate(180deg) !important;
    opacity: 0.6 !important;
}

/* Overlay for side panel */
.overlay {
    position: fixed !important;
    inset: 0 !important;
    background: rgba(0,0,0,0.3) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    transition: opacity 0.3s ease !important;
    z-index: 900 !important;
    height: 100vh !important;
    height: 100dvh !important;
    width: 100vw !important;
    width: 100dvw !important;
    margin: 0 !important;
    padding: 0 !important;
}

.overlay.active {
    opacity: 1 !important;
    pointer-events: auto !important;
}

/* Tablet-specific media queries */
@media screen and (max-width: 1024px) and (min-width: 768px) {
    .side-panel {
        width: 280px;
        right: -280px;
    }
    
    .side-panel.open {
        right: 0;
    }
    
    .panel-header {
        padding: 18px;
    }
    
    .panel-header h2 {
        font-size: 1.3rem;
    }
    
    .close-btn {
        font-size: 1.8rem;
        width: 40px;
        height: 40px;
    }
    
    .menu-item {
        padding: 18px 20px;
        font-size: 1rem;
    }
}

/* Mobile-specific media queries */
@media screen and (max-width: 767px) {
    .side-panel {
        width: 260px;
        right: -260px;
    }
    
    .side-panel.open {
        right: 0;
    }
    
    .panel-header {
        padding: 16px;
    }
    
    .panel-header h2 {
        font-size: 1.2rem;
    }
    
    .close-btn {
        font-size: 1.6rem;
        width: 36px;
        height: 36px;
    }
    
    .menu-item {
        padding: 16px 18px;
        font-size: 0.95rem;
    }
}