/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #000000;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: 0.5em;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

p {
    font-size: 1.0625rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    color: #ffffff;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgb(158, 244, 227);
}

.nav-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: rgb(158, 244, 227);
}

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

.nav-link {
    text-decoration: none;
    color: #ffffff;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: rgb(158, 244, 227);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: rgb(158, 244, 227);
}

.hero-content-grid {
    display: grid;
    grid-template-columns: 1fr 480px;
    gap: 3rem;
    align-items: center;
    min-height: 500px;
}

.hero-text {
    max-width: 650px;
}

.hero-title {
    margin-bottom: 1.5rem;
    color: #000000;
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1.1;
    white-space: nowrap;
}

.hero-description {
    font-size: 1.125rem;
    max-width: 500px;
    margin-bottom: 1.25rem;
    color: #000000;
    line-height: 1.5;
}

.hero-features {
    margin-bottom: 1.75rem;
}

.feature-item-hero {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.15rem;
    padding: 0.1rem 0;
}

.feature-item-hero:last-child {
    margin-bottom: 0;
}

.feature-icon {
    color: rgb(158, 244, 227);
    font-weight: bold;
    font-size: 1.25rem;
    margin-top: 0.125rem;
    min-width: 1.25rem;
}

.feature-text {
    color: #000000;
    font-size: 0.9375rem;
    line-height: 1.5;
    font-weight: 500;
}

.hero-image {
    text-align: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Phone Stack Container */
.phone-stack {
    position: relative;
    width: 100%;
    max-width: 480px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Back Phone */
.phone-back {
    position: absolute;
    width: 240px;
    height: auto;
    max-height: 380px;
    object-fit: contain;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    transform: translateX(-50px) translateY(20px) rotate(-10deg);
    z-index: 1;
    transition: all 0.3s ease;
}

/* Front Phone */
.phone-front {
    position: absolute;
    width: 260px;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 122, 255, 0.25);
    transform: translateX(35px) translateY(-15px) rotate(8deg);
    z-index: 2;
    transition: all 0.3s ease;
}

/* Hover Effects */
.phone-stack:hover .phone-back {
    transform: translateX(-55px) translateY(25px) rotate(-12deg) scale(1.02);
}

.phone-stack:hover .phone-front {
    transform: translateX(40px) translateY(-20px) rotate(10deg) scale(1.05);
    box-shadow: 0 25px 50px rgba(0, 122, 255, 0.3);
}

.hero-phone {
    width: 100%;
    max-width: 460px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 122, 255, 0.15);
    transition: transform 0.3s ease;
    object-fit: contain;
}

.hero-phone:hover {
    transform: translateY(-8px);
}

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

/* Download Now Button */
.btn-download-now {
    background: linear-gradient(135deg, #007AFF 0%, #00C5FF 100%);
    color: white;
    border: none;
    padding: 20px 40px;
    border-radius: 50px;
    font-size: 1.25rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 32px rgba(0, 122, 255, 0.4);
    position: relative;
    overflow: hidden;
    text-transform: none;
    letter-spacing: 0.5px;
}

.btn-download-now:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 16px 40px rgba(0, 122, 255, 0.6);
    background: linear-gradient(135deg, #0056CC 0%, #007AFF 100%);
}

.btn-download-now:active {
    transform: translateY(-2px) scale(1.02);
}

.btn-download-now .btn-arrow {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
    animation: bounce 2s infinite;
}

.btn-download-now:hover .btn-arrow {
    transform: translateY(3px);
    animation: none;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-4px);
    }
    60% {
        transform: translateY(-2px);
    }
}

@keyframes subtle-pulse {
    0%, 100% {
        box-shadow: 0 8px 32px rgba(0, 122, 255, 0.4);
    }
    50% {
        box-shadow: 0 8px 32px rgba(0, 122, 255, 0.6), 0 0 0 4px rgba(0, 122, 255, 0.1);
    }
}

/* Responsive adjustments for download button */
@media (max-width: 768px) {
    .btn-download-now {
        padding: 18px 32px;
        font-size: 1.125rem;
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .btn-download-now {
        padding: 16px 28px;
        font-size: 1rem;
        gap: 10px;
    }
    
    .btn-download-now .btn-arrow {
        font-size: 1.25rem;
    }
}

/* Buttons */
.btn-primary {
    background: #007AFF;
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 1.0625rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    background: #0056CC;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 122, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #007AFF;
    border: 1px solid #007AFF;
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 1.0625rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background: #007AFF;
    color: white;
    transform: translateY(-2px);
}

/* Features Section */
.features {
    padding: 48px 0;
    background: transparent;
}

.feature-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2.5rem;
    align-items: center;
    margin-bottom: 3rem;
    background: rgba(158, 244, 227, 0.1);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(158, 244, 227, 0.2);
    border: 1px solid rgba(158, 244, 227, 0.3);
}

.feature-item:last-child {
    margin-bottom: 0;
}

/* Removed reverse layout - all features now have image on left, content on right */

.feature-content {
    padding: 0.5rem 0;
}

.feature-title {
    color: #ffffff;
    margin-bottom: 1rem;
    font-size: 1.875rem;
    font-weight: 700;
}

.feature-description {
    color: #ffffff;
    margin-bottom: 1.25rem;
    font-size: 1.125rem;
    line-height: 1.6;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    position: relative;
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #ffffff;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0.5rem;
    color: rgb(158, 244, 227);
    font-weight: bold;
    font-size: 1rem;
}

.feature-list strong {
    color: rgb(158, 244, 227);
    font-weight: 600;
}

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

.feature-image img {
    width: 100%;
    max-width: 280px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgb(158, 244, 227) 0%, #000000 100%);
    color: white;
    text-align: center;
}

.cta-title {
    color: white;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
}

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

.download-btn {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.download-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    padding: 40px 0;
    background: rgba(0, 0, 0, 0.9);
    border-top: 1px solid rgb(158, 244, 227);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

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

.footer-logo {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}

.footer-brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: rgb(158, 244, 227);
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-link {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: rgb(158, 244, 227);
}

.footer-text {
    color: #ffffff;
    font-size: 0.875rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content-grid {
        grid-template-columns: 1fr 400px;
        gap: 2.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
        white-space: normal;
    }
    
    .hero-description {
        font-size: 1rem;
        margin-bottom: 1.125rem;
    }
    
    .feature-item-hero {
        margin-bottom: 0.1rem;
        padding: 0.1rem 0;
    }
    
    .feature-text {
        font-size: 0.875rem;
    }
    
    .phone-stack {
        max-width: 380px;
        height: 350px;
    }
    
    .phone-back {
        width: 200px;
        max-height: 320px;
        transform: translateX(-40px) translateY(15px) rotate(-10deg);
    }
    
    .phone-front {
        width: 220px;
        max-height: 340px;
        transform: translateX(25px) translateY(-10px) rotate(8deg);
    }
    
    .feature-item {
        grid-template-columns: 250px 1fr;
        gap: 2rem;
        padding: 1.75rem;
    }
    
    .feature-title {
        font-size: 1.625rem;
    }
    
    .feature-description {
        font-size: 1rem;
    }
    
    .feature-image img {
        max-width: 240px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-content-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
        white-space: normal;
    }
    
    .hero-description {
        font-size: 1rem;
        max-width: 100%;
        margin-bottom: 1rem;
    }
    
    .hero-features {
        margin-bottom: 1.5rem;
    }
    
    .feature-item-hero {
        justify-content: flex-start;
        text-align: left;
        margin-bottom: 0.1rem;
        padding: 0.1rem 0;
    }
    
    .feature-text {
        font-size: 0.875rem;
    }
    
    .phone-stack {
        max-width: 320px;
        height: 280px;
    }
    
    .phone-back {
        width: 160px;
        max-height: 260px;
        transform: translateX(-35px) translateY(12px) rotate(-10deg);
    }
    
    .phone-front {
        width: 180px;
        max-height: 280px;
        transform: translateX(20px) translateY(-8px) rotate(8deg);
    }
    
    .phone-stack:hover .phone-back {
        transform: translateX(-40px) translateY(16px) rotate(-12deg) scale(1.02);
    }
    
    .phone-stack:hover .phone-front {
        transform: translateX(25px) translateY(-12px) rotate(10deg) scale(1.05);
    }
    
    .feature-item {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
        margin-bottom: 2rem;
        padding: 1.5rem;
    }
    
    .feature-title {
        font-size: 1.5rem;
    }
    
    .feature-description {
        font-size: 1rem;
    }
    
    .feature-list li {
        font-size: 0.9375rem;
        text-align: left;
    }
    
    .feature-image img {
        max-width: 200px;
        width: 100%;
    }
    
    .features {
        padding: 32px 0;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .nav-menu {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 80px 0 50px;
    }
    
    .hero-title {
        font-size: 1.75rem;
        line-height: 1.2;
        white-space: normal;
    }
    
    .hero-description {
        font-size: 0.9375rem;
        margin-bottom: 1rem;
    }
    
    .hero-features {
        margin-bottom: 1.25rem;
    }
    
    .feature-item-hero {
        padding: 0.05rem 0;
        margin-bottom: 0.1rem;
    }
    
    .feature-text {
        font-size: 0.8125rem;
    }
    
    .phone-stack {
        max-width: 280px;
        height: 240px;
    }
    
    .phone-back {
        width: 140px;
        max-height: 220px;
        transform: translateX(-30px) translateY(10px) rotate(-10deg);
    }
    
    .phone-front {
        width: 160px;
        max-height: 240px;
        transform: translateX(15px) translateY(-5px) rotate(8deg);
    }
    
    .phone-stack:hover .phone-back {
        transform: translateX(-35px) translateY(14px) rotate(-12deg) scale(1.02);
    }
    
    .phone-stack:hover .phone-front {
        transform: translateX(20px) translateY(-8px) rotate(10deg) scale(1.05);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
    }
    
    .feature-item {
        margin-bottom: 1.5rem;
        padding: 1.25rem;
    }
    
    .feature-title {
        font-size: 1.25rem;
    }
    
    .feature-description {
        font-size: 0.9375rem;
    }
    
    .feature-list li {
        font-size: 0.875rem;
        padding: 0.375rem 0;
        padding-left: 1.25rem;
        text-align: left;
    }
    
    .feature-list li::before {
        top: 0.375rem;
        font-size: 0.875rem;
    }
    
    .feature-image img {
        max-width: 180px;
        width: 100%;
    }
    
    .features {
        padding: 24px 0;
    }
    
    .cta-section {
        padding: 50px 0;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .download-btn {
        width: 100%;
        max-width: 280px;
    }
}

/* Loading and Animation */
.feature-image img {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
button:focus,
a:focus {
    outline: 2px solid #007AFF;
    outline-offset: 2px;
}

/* High contrast support */
@media (prefers-contrast: high) {
    .hero-description,
    .feature-description {
        color: #000000;
    }
    
    .footer-link,
    .footer-text {
        color: #ffffff;
    }
}

/* Account Deletion Section */
.account-deletion-section {
    padding: 60px 0;
    background: rgba(158, 244, 227, 0.05);
    border-top: 2px solid rgb(158, 244, 227);
}

.account-deletion-content {
    max-width: 800px;
    margin: 0 auto;
}

.account-deletion-title {
    color: rgb(158, 244, 227);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.account-deletion-intro {
    color: #ffffff;
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.deletion-steps,
.data-processing,
.important-notice {
    margin-bottom: 2.5rem;
    background: rgba(158, 244, 227, 0.1);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(158, 244, 227, 0.2);
}

.deletion-steps h3,
.data-processing h3,
.important-notice h3 {
    color: rgb(158, 244, 227);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.data-section {
    margin-bottom: 1.5rem;
}

.data-section h4 {
    color: #ffffff;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.retention-period {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.retention-period h4 {
    color: #ffc107;
}

.deletion-steps-list,
.data-list,
.notice-list {
    margin: 0;
    padding-left: 1.5rem;
    color: #ffffff;
}

.deletion-steps-list li,
.data-list li,
.notice-list li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.retention-period p {
    color: #ffffff;
    margin-bottom: 0.5rem;
    opacity: 0.95;
}

@media (max-width: 768px) {
    .account-deletion-section {
        padding: 40px 0;
    }
    
    .account-deletion-title {
        font-size: 1.5rem;
    }
    
    .deletion-steps,
    .data-processing,
    .important-notice {
        padding: 1rem;
        margin-bottom: 1.5rem;
    }
}

/* Account Deletion Page */
.account-deletion-page {
    padding: 120px 0 60px;
    min-height: 100vh;
    background: rgba(158, 244, 227, 0.05);
}

.account-deletion-content {
    max-width: 800px;
    margin: 0 auto;
}

.account-deletion-title {
    color: rgb(158, 244, 227);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.account-deletion-intro {
    color: #ffffff;
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.6;
}

.deletion-steps,
.data-processing,
.important-notice {
    margin-bottom: 3rem;
    background: rgba(158, 244, 227, 0.1);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(158, 244, 227, 0.2);
    box-shadow: 0 8px 24px rgba(158, 244, 227, 0.1);
}

.deletion-steps h2,
.data-processing h2,
.important-notice h2 {
    color: rgb(158, 244, 227);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

.data-section {
    margin-bottom: 2rem;
}

.data-section h3 {
    color: #ffffff;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border-bottom: 2px solid rgba(158, 244, 227, 0.3);
    padding-bottom: 0.5rem;
}

.retention-period {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.retention-period h3 {
    color: #ffc107;
    border-bottom: 2px solid rgba(255, 193, 7, 0.3);
}

.deletion-steps-list,
.data-list,
.notice-list {
    margin: 0;
    padding-left: 1.5rem;
    color: #ffffff;
}

.deletion-steps-list li,
.data-list li,
.notice-list li {
    margin-bottom: 0.75rem;
    line-height: 1.6;
    font-size: 1.05rem;
}

.retention-period p {
    color: #ffffff;
    margin-bottom: 0.75rem;
    opacity: 0.95;
    line-height: 1.6;
}

.back-to-home {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(158, 244, 227, 0.3);
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(158, 244, 227, 0.2);
    color: rgb(158, 244, 227);
    border: 2px solid rgb(158, 244, 227);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-back:hover {
    background: rgb(158, 244, 227);
    color: #000000;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(158, 244, 227, 0.3);
}

@media (max-width: 768px) {
    .account-deletion-page {
        padding: 100px 0 40px;
    }
    
    .account-deletion-title {
        font-size: 2rem;
    }
    
    .account-deletion-intro {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .deletion-steps,
    .data-processing,
    .important-notice {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .deletion-steps h2,
    .data-processing h2,
    .important-notice h2 {
        font-size: 1.5rem;
    }
}
