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

:root {
    --primary-blue: #007AFF;
    --system-gray: #8E8E93;
    --system-gray2: #AEAEB2;
    --system-gray3: #C7C7CC;
    --system-gray4: #D1D1D6;
    --system-gray5: #E5E5EA;
    --system-gray6: #F2F2F7;
    --label: #000000;
    --secondary-label: #3C3C43;
    --tertiary-label: #48484A;
    --quaternary-label: #6D6D70;
    --system-background: #FFFFFF;
    --secondary-system-background: #F2F2F7;
    --tertiary-system-background: #FFFFFF;
    --system-grouped-background: #F2F2F7;
    --secondary-system-grouped-background: #FFFFFF;
    
    /* Background Animation Variables */
    --beam-color-1: #007aff;
    --beam-color-2: #5856d6;
    --beam-color-3: #ff2d55;
    --beam-color-4: #5ac8fa;
    --beam-opacity: 0.4;
    --beam-blur: 20px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    font-weight: 400;
    line-height: 1.5;
    color: var(--label);
    background: linear-gradient(135deg, #FAFAFA 0%, #F2F2F7 100%);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Enhanced Apple-style background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 122, 255, 0.04) 0%, transparent 60%),
        radial-gradient(circle at 80% 70%, rgba(88, 86, 214, 0.03) 0%, transparent 60%),
        radial-gradient(circle at 40% 80%, rgba(255, 149, 0, 0.03) 0%, transparent 60%),
        radial-gradient(circle at 60% 20%, rgba(52, 199, 89, 0.02) 0%, transparent 60%);
    animation: float 30s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); }
    33% { transform: translateY(-15px) scale(1.02); }
    66% { transform: translateY(10px) scale(0.98); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-link {
    text-decoration: none;
    color: inherit;
}

.logo-link:hover {
    text-decoration: none;
}

.logo {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--label);
    letter-spacing: -0.02em;
    margin: 0;
    transition: opacity 0.2s ease;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-image {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    transition: opacity 0.2s ease;
}

.logo-link:hover .logo {
    opacity: 0.8;
}

.logo-link:hover .logo-image {
    opacity: 0.8;
}

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

.nav a {
    text-decoration: none;
    color: var(--secondary-label);
    font-size: 1rem;
    font-weight: 400;
    transition: all 0.2s ease;
    position: relative;
}

.nav a:hover {
    color: var(--primary-blue);
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.2s ease;
}

.nav a:hover::after {
    width: 100%;
}

.hero {
    padding: 140px 0 100px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 10;
}

/* Background Beams Animation */
.background-beams {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.beam {
  position: absolute;
  background: linear-gradient(
    135deg,
    transparent,
    var(--beam-color-1),
    var(--beam-color-2),
    transparent
  );
  opacity: var(--beam-opacity);
  filter: blur(var(--beam-blur));
  border-radius: 50%;
  animation: float-beam 20s infinite ease-in-out;
}

.beam:nth-child(1) {
  width: 400px;
  height: 400px;
  top: -200px;
  left: -200px;
  animation-delay: 0s;
  background: linear-gradient(
    135deg,
    transparent,
    var(--beam-color-1),
    var(--beam-color-2),
    transparent
  );
}

.beam:nth-child(2) {
  width: 300px;
  height: 300px;
  top: 50%;
  right: -150px;
  animation-delay: -5s;
  background: linear-gradient(
    225deg,
    transparent,
    var(--beam-color-3),
    var(--beam-color-4),
    transparent
  );
}

.beam:nth-child(3) {
  width: 250px;
  height: 250px;
  bottom: -125px;
  left: 50%;
  animation-delay: -10s;
  background: linear-gradient(
    45deg,
    transparent,
    var(--beam-color-2),
    var(--beam-color-1),
    transparent
  );
}

.beam:nth-child(4) {
  width: 350px;
  height: 350px;
  top: 20%;
  left: 80%;
  animation-delay: -15s;
  background: linear-gradient(
    315deg,
    transparent,
    var(--beam-color-4),
    var(--beam-color-3),
    transparent
  );
}

@keyframes float-beam {
  0%, 100% {
    transform: translateY(0px) translateX(0px) scale(1);
    opacity: var(--beam-opacity);
  }
  25% {
    transform: translateY(-20px) translateX(10px) scale(1.1);
    opacity: calc(var(--beam-opacity) * 0.7);
  }
  50% {
    transform: translateY(10px) translateX(-10px) scale(0.9);
    opacity: calc(var(--beam-opacity) * 0.5);
  }
  75% {
    transform: translateY(-10px) translateX(20px) scale(1.05);
    opacity: calc(var(--beam-opacity) * 0.8);
  }
}

/* Subtle grid pattern */
.hero-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 1px 1px, rgba(0, 122, 255, 0.1) 1px, transparent 0);
  background-size: 40px 40px;
  z-index: -1;
}

.hero h2 {
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--label);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.hero p {
    font-size: 1.375rem;
    margin-bottom: 2.5rem;
    color: var(--secondary-label);
    font-weight: 400;
    line-height: 1.4;
}

/* App Title Styles */
.app-title {
    text-align: center;
    margin-bottom: 2rem;
}

.app-title h1 {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    letter-spacing: -0.03em;
}

.app-subtitle {
    font-size: 1.25rem;
    color: var(--secondary-label);
    font-weight: 400;
}


.app-info h3 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    color: var(--label);
    letter-spacing: -0.02em;
    margin-top: 3rem;
}

.app-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.app-card {
    background: var(--system-background);
    border-radius: 18px;
    padding: 2.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(0, 0, 0, 0.02);
}

.app-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 122, 255, 0.1);
}

.app-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--label);
}

.app-card ul {
    list-style: none;
    padding: 0;
}

.app-card li {
    padding: 0.5rem 0;
    color: var(--secondary-label);
    line-height: 1.5;
    border-bottom: 1px solid var(--system-gray5);
}

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

.app-card strong {
    color: var(--label);
}

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

.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 140px;
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #5856d6 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(0, 122, 255, 0.25);
}

.btn-secondary {
    background: var(--system-gray6);
    color: var(--label);
    border: 1px solid var(--system-gray4);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.35);
}

.btn-secondary:hover:not(:disabled) {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    background: var(--system-background);
}

.btn:active:not(:disabled) {
    transform: translateY(-1px);
    transition: all 0.1s ease;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--system-gray5);
    color: var(--quaternary-label);
    box-shadow: none;
}

.btn small {
    font-size: 0.8125rem;
    opacity: 0.8;
    margin-top: 2px;
    font-weight: 400;
}

.features {
    background: var(--system-background);
    padding: 100px 0;
}

.features h3 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--label);
    letter-spacing: -0.02em;
}

.features-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--secondary-label);
    margin-bottom: 3rem;
    font-weight: 400;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

/* 移动应用展示专区样式 */
.app-showcase {
    padding: 80px 0;
    background: linear-gradient(135deg, #FFFFFF 0%, #F7F9FC 100%);
    position: relative;
}

.app-showcase .container {
    position: relative;
    z-index: 2;
}

.app-showcase h3 {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--label);
}

.section-subtitle {
    text-align: center;
    color: var(--secondary-label);
    font-size: 1.2rem;
    margin-bottom: 3rem;
}

/* 应用截图网格 */
.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.screenshot-placeholder {
    text-align: center;
}

.screenshot-placeholder > p {
    margin-top: 1rem;
    color: var(--secondary-label);
    font-size: 0.9rem;
}

/* iPhone框架样式 */
.iphone-frame {
    background: #000;
    border-radius: 40px;
    padding: 20px;
    width: 300px;
    height: 600px;
    margin: 0 auto;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border: 4px solid #333;
}

.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: #000;
    color: #fff;
    font-size: 12px;
    font-weight: 500;
}

.app-content {
    background: #1C1C1E;
    height: calc(100% - 50px);
    border-radius: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
}

.app-content h4 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 1rem;
}

.app-content p {
    font-size: 16px;
    color: #8E8E93;
}

/* 下载信息区域 */
.app-download-info {
    text-align: center;
    margin-top: 4rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.app-download-info h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--label);
}

.app-download-info > p {
    color: var(--secondary-label);
    margin-bottom: 2rem;
}

.qr-code-placeholder {
    display: inline-block;
    padding: 2rem;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.qr-code {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, #007AFF 0%, #5856D6 100%);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-weight: 600;
}

.qr-code small {
    font-size: 10px;
    opacity: 0.8;
    margin-top: 0.5rem;
}

.feature-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.98));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    position: relative;
    margin-bottom: 2rem;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.1), rgba(88, 86, 214, 0.05), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: exclude;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    filter: grayscale(0.2);
}

.feature-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--label);
    letter-spacing: -0.01em;
}

.feature-card p {
    color: var(--secondary-label);
    line-height: 1.6;
    font-size: 1rem;
}

/* Enhanced About Section */
.about {
    background: var(--secondary-system-background);
    padding: 100px 0;
}

.about h3 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 4rem;
    color: var(--label);
    letter-spacing: -0.02em;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.about-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: 24px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    position: relative;
}

.about-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 122, 255, 0.1);
}

.about-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.about-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--label);
}

.about-card p {
    font-size: 1rem;
    color: var(--secondary-label);
    line-height: 1.7;
    text-align: left;
}

/* Enhanced Company Info Card */
.company-info-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: 28px;
    padding: 3rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.company-info-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
}

.company-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--system-gray5);
}

.company-logo {
    font-size: 3.5rem;
    background: linear-gradient(135deg, var(--primary-blue), #5856d6);
    border-radius: 20px;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.25);
}

.company-title h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--label);
    margin-bottom: 0.5rem;
}

.company-subtitle {
    font-size: 1.125rem;
    color: var(--secondary-label);
    font-weight: 400;
}

.company-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.detail-group {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--secondary-system-background);
    border-radius: 16px;
    transition: all 0.25s ease;
}

.detail-group:hover {
    background: rgba(0, 122, 255, 0.05);
    transform: translateY(-2px);
}

.detail-icon {
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.detail-content {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--secondary-label);
    margin-bottom: 0.25rem;
}

.detail-value {
    font-size: 1rem;
    font-weight: 400;
    color: var(--label);
    line-height: 1.4;
}

.status-developing {
    color: var(--primary-blue) !important;
    font-weight: 500 !important;
}

.usage-note {
    margin-top: 1rem !important;
    padding: 1rem;
    background: rgba(0, 122, 255, 0.05);
    border-radius: 12px;
    font-size: 0.95rem !important;
    color: var(--primary-blue) !important;
    border: 1px solid rgba(0, 122, 255, 0.1);
}

.about-cta {
    font-size: 1.125rem;
    color: var(--primary-blue);
    font-weight: 400;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.about-cta:hover {
    opacity: 0.7;
}

/* Download Section Styles */
.download-section {
    background: var(--system-background);
    padding: 80px 0;
}

.download-section h3 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    color: var(--label);
    letter-spacing: -0.02em;
}

.download-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.download-info h4, .usage-guide h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--label);
}

.download-info p {
    color: var(--secondary-label);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.platform-support {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.platform {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--secondary-system-background);
    padding: 1rem;
    border-radius: 12px;
}

.platform-icon {
    font-size: 2rem;
}

.platform strong {
    display: block;
    color: var(--label);
    margin-bottom: 0.25rem;
}

.platform p {
    color: var(--secondary-label);
    margin: 0;
    font-size: 0.9rem;
}

.usage-guide ol {
    color: var(--secondary-label);
    line-height: 1.6;
}

.usage-guide li {
    margin-bottom: 0.5rem;
}

.company-basic {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--system-gray5);
}

.company-basic p {
    margin: 0.5rem 0;
    color: var(--secondary-label);
}

.company-website {
    color: var(--primary-blue) !important;
    font-weight: 500;
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Enhanced focus states for accessibility */
.nav a:focus,
.btn:focus,
.footer-links a:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
    border-radius: 4px;
}

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

.hero-content,
.app-overview > *,
.features-grid > *,
.download-content > *,
.contact-grid > * {
    animation: fadeInUp 0.6s ease-out forwards;
}

.app-overview > *:nth-child(2) {
    animation-delay: 0.1s;
}

.app-overview > *:nth-child(3) {
    animation-delay: 0.2s;
}

.features-grid > *:nth-child(2) {
    animation-delay: 0.1s;
}

.features-grid > *:nth-child(3) {
    animation-delay: 0.2s;
}

.features-grid > *:nth-child(4) {
    animation-delay: 0.3s;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #667eea;
}

.stat-label {
    color: #666;
    font-size: 1.1rem;
}

/* Enhanced Contact Section */
.contact {
    background: var(--system-background);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(0, 122, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(88, 86, 214, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

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

.contact h3 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--label);
    letter-spacing: -0.02em;
}

.contact-info {
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.footer {
    background: var(--system-background);
    color: var(--quaternary-label);
    padding: 2rem 0 1.5rem 0;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

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

.footer-app-info h4 {
    color: var(--label);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.footer-app-info p {
    color: var(--secondary-label);
    margin: 0;
    font-size: 0.875rem;
}

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

.footer-links a {
    color: var(--secondary-label);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--primary-blue);
}

.footer-legal {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-legal p {
    margin: 0.5rem 0;
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--quaternary-label);
}

.footer-legal .app-info {
    color: var(--secondary-label);
    font-weight: 400;
}

.footer-bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 1rem;
}

.icp-info {
    color: var(--quaternary-label);
    text-decoration: none;
    font-size: 0.8125rem;
    transition: color 0.2s ease;
    display: inline-block;
}

.icp-info:hover {
    color: var(--primary-blue);
    text-decoration: underline;
}

/* Improved Mobile Responsiveness */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero h2 {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 1.125rem;
        margin-bottom: 2rem;
    }
    
    .app-title h1 {
        font-size: 3rem;
    }
    
    .app-subtitle {
        font-size: 1.125rem;
    }
    
    .nav {
        gap: 1.5rem;
    }
    
    .nav a {
        font-size: 0.875rem;
    }
    
    .features-grid, .app-overview {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .download-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .company-details-grid {
        grid-template-columns: 1fr;
    }
    
    .company-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 2rem;
    }
    
    .app-title h1 {
        font-size: 2.5rem;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        min-width: 200px;
    }
    
    .about-card,
    .contact-item {
        padding: 2rem;
    }
    
    .company-info-card {
        padding: 2rem;
    }
    
    .company-logo {
        width: 60px;
        height: 60px;
        font-size: 2.5rem;
    }
    
    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: 2.5rem;
    }
}

/* Enhanced Contact Item Styles */
.contact-item {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: 24px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.02), transparent);
    opacity: 0;
    transition: opacity 0.35s ease;
}

.contact-item:hover::before {
    opacity: 1;
}

.contact-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 122, 255, 0.1);
}

.contact-icon {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-blue), #5856d6);
    border-radius: 18px;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.2);
    position: relative;
    z-index: 1;
    color: white;
}

.contact-details {
    position: relative;
    z-index: 1;
}

.contact-details h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--label);
}

.contact-details p {
    font-size: 1rem;
    color: var(--secondary-label);
    line-height: 1.6;
    margin: 0.5rem 0;
}

.contact-details p:first-of-type {
    color: var(--label);
    font-weight: 500;
}

/* Enhanced App Overview Cards */
.app-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.app-info-card,
.app-feature-card,
.app-service-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.98));
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.app-info-card:hover,
.app-feature-card:hover,
.app-service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
    border-color: rgba(0, 122, 255, 0.15);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1.2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.card-icon {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-blue), #5856d6);
    border-radius: 16px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.2);
    color: white;
}

.card-header h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--label);
    margin: 0;
}

/* Info Grid Styles */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--secondary-system-background);
    border-radius: 12px;
    transition: all 0.25s ease;
}

.info-item:hover {
    background: rgba(0, 122, 255, 0.05);
    transform: translateY(-2px);
}

.info-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--secondary-label);
}

.info-value {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--label);
    text-align: right;
}

/* Feature List Styles */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--secondary-system-background);
    border-radius: 16px;
    transition: all 0.25s ease;
}

.feature-item:hover {
    background: rgba(0, 122, 255, 0.05);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 1.5rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.feature-content h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--label);
    margin-bottom: 0.5rem;
}

.feature-content p {
    font-size: 0.95rem;
    color: var(--secondary-label);
    line-height: 1.5;
    margin: 0;
}

/* Service Grid Styles */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.8rem;
}

.service-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--secondary-system-background);
    border-radius: 16px;
    transition: all 0.25s ease;
}

.service-item:hover {
    background: rgba(0, 122, 255, 0.05);
    transform: translateY(-2px);
}

.service-icon {
    font-size: 1.5rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.service-content h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--label);
    margin-bottom: 0.5rem;
}

.service-content p {
    font-size: 0.95rem;
    color: var(--secondary-label);
    line-height: 1.5;
    margin: 0;
}

/* Mobile Responsiveness for App Cards */
@media (max-width: 768px) {
    .app-overview-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .card-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .info-value {
        text-align: left;
    }
    
    .app-info-card,
    .app-feature-card,
    .app-service-card {
        padding: 2rem;
    }
}

/* Large Screenshot Styles for App Showcase */
.screenshot-grid-large {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 60px;
    margin: 40px 0;
}

.screenshot-card-large {
    background: var(--secondary-system-background);
    border-radius: 25px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--system-gray5);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
}

.screenshot-card-large:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.phone-mockup-large {
    width: 420px;
    height: 840px;
    margin: 0 auto 30px;
    position: relative;
    background: #000;
    border-radius: 50px;
    padding: 25px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
}

.phone-screen-large {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 35px;
    overflow: hidden;
    position: relative;
}

.status-bar-large {
    height: 70px;
    background: #f8f9fa;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 35px;
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.app-content-large {
    padding: 0;
    height: calc(100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.app-content-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

.screenshot-title-large {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--label);
    margin-bottom: 15px;
}

.screenshot-description-large {
    font-size: 1.1rem;
    color: var(--secondary-label);
    line-height: 1.6;
}

/* Mobile Responsiveness for Large Screenshots */
@media (max-width: 1200px) {
    .screenshot-grid-large {
        grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
        gap: 50px;
    }
    
    .phone-mockup-large {
        width: 380px;
        height: 760px;
    }
}

@media (max-width: 768px) {
    .screenshot-grid-large {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .phone-mockup-large {
        width: 340px;
        height: 680px;
    }
    
    .screenshot-card-large {
        padding: 30px;
    }
    
    .status-bar-large {
        height: 60px;
        padding: 0 25px;
        font-size: 18px;
    }
    
    .app-content-large {
        height: calc(100%);
    }
    
    .screenshot-title-large {
        font-size: 1.3rem;
    }
    
    .screenshot-description-large {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .phone-mockup-large {
        width: 300px;
        height: 600px;
    }
    
    .status-bar-large {
        height: 50px;
        padding: 0 20px;
        font-size: 16px;
    }
    
    .app-content-large {
        height: calc(100%);
    }
}