/* ========================================
   Side Screen - Landing Page Styles
   Apple-inspired design with frosted glass
   ======================================== */

/* CSS Variables - Light Mode (Default) */
:root {
    --color-primary: #007AFF;
    --color-primary-dark: #0056CC;
    --color-secondary: #5856D6;
    --color-success: #34C759;
    --color-warning: #FF9500;
    --color-danger: #FF3B30;

    --color-bg: #FAFAFA;
    --color-bg-alt: #FFFFFF;
    --color-bg-dark: #1D1D1F;

    --color-text: #1D1D1F;
    --color-text-secondary: #6E6E73;
    --color-text-light: #FFFFFF;

    --color-border: #E5E5EA;
    --color-border-light: #F2F2F7;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);

    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;

    --container-max: 1200px;
    --section-padding: 100px;
}

/* Dark Mode */
[data-theme="dark"] {
    --color-bg: #0D0D0D;
    --color-bg-alt: #1C1C1E;
    --color-bg-dark: #000000;

    --color-text: #F5F5F7;
    --color-text-secondary: #A1A1A6;
    --color-text-light: #FFFFFF;

    --color-border: #38383A;
    --color-border-light: #2C2C2E;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.6);
}

/* Theme Toggle Button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: none;
    background: var(--color-bg-alt);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 1px solid var(--color-border-light);
}

.theme-toggle:hover {
    background: var(--color-border-light);
    transform: scale(1.05);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--color-text);
    transition: transform var(--transition-normal);
}

.theme-toggle:hover svg {
    transform: rotate(15deg);
}

/* Hide icons based on theme */
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }

[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }

p {
    color: var(--color-text-secondary);
}

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

a:hover {
    color: var(--color-primary-dark);
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Section */
.section {
    padding: var(--section-padding) 0;
}

.section-title {
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 60px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text-light);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: var(--color-text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}

.btn-outline:hover {
    background: var(--color-bg-alt);
    border-color: var(--color-text-secondary);
    color: var(--color-text);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Header */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 250, 250, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-normal);
}

[data-theme="dark"] #header {
    background: rgba(13, 13, 13, 0.8);
}

#header.scrolled {
    border-bottom-color: var(--color-border);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--color-text);
}

.logo img {
    border-radius: 8px;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-text);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Hero Section */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    text-align: center;
}

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

.badge-row {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.hero-visual {
    margin-top: 60px;
}

.hero-image-container {
    max-width: 900px;
    margin: 0 auto;
}

.hero-image-container img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.placeholder-image {
    background: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 100%);
    border-radius: var(--border-radius-lg);
    padding: 120px 40px;
    text-align: center;
    border: 2px dashed var(--color-border);
}

.placeholder-image p {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.placeholder-image small {
    color: var(--color-text-secondary);
    opacity: 0.7;
}

/* Features Section */
.features {
    background: var(--color-bg-alt);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 32px;
    background: var(--color-bg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--border-radius-md);
    margin-bottom: 20px;
    color: white;
}

.feature-card h3 {
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
    background: var(--color-bg);
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 60px;
}

.step {
    text-align: center;
    max-width: 250px;
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 50%;
    margin: 0 auto 16px;
}

.step h3 {
    margin-bottom: 8px;
}

.step-arrow {
    color: var(--color-text-secondary);
    opacity: 0.5;
}

.code-block {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-bg-dark);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.code-header {
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.code-block pre {
    padding: 20px;
    margin: 0;
    overflow-x: auto;
}

.code-block code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.9rem;
    color: #a8e6cf;
    line-height: 1.6;
}

/* Requirements Section */
.requirements {
    background: var(--color-bg-alt);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.requirement-card {
    padding: 32px;
    background: var(--color-bg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border-light);
}

.requirement-card h3 {
    margin-bottom: 16px;
    color: var(--color-primary);
}

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

.requirement-card li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--color-text-secondary);
}

.requirement-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 600;
}

/* Download Section */
.download {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.download-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.download-card {
    display: block;
    padding: 40px;
    background: var(--color-bg-alt);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition-normal);
}

.download-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.download-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: var(--border-radius-md);
    margin: 0 auto 20px;
    color: var(--color-text);
}

.download-card h3 {
    margin-bottom: 8px;
}

.download-card p {
    margin-bottom: 16px;
}

.download-action {
    display: inline-block;
    padding: 8px 20px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
}

.download-card.alt {
    background: var(--color-bg);
}

.download-code {
    display: block;
    padding: 12px;
    background: var(--color-bg-dark);
    color: #a8e6cf;
    border-radius: var(--border-radius-sm);
    font-family: 'SF Mono', monospace;
    font-size: 0.85rem;
    margin-top: 16px;
}

/* FAQ Section */
.faq {
    background: var(--color-bg-alt);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border-light);
}

.faq-item summary {
    padding: 20px 0;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::after {
    content: "+";
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    padding-bottom: 20px;
    line-height: 1.7;
}

/* Support Section */
.support {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    text-align: center;
}

.support .section-title,
.support .section-subtitle {
    color: white;
}

.support .section-subtitle {
    opacity: 0.9;
}

.support-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.support .btn-outline {
    border-color: rgba(255, 255, 255, 0.4);
    color: white;
}

.support .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    color: white;
}

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

.support .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-primary);
}

/* Footer */
.footer {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: 60px 0;
}

.footer-content {
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 24px;
}

.footer-brand img {
    border-radius: 8px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 24px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-copy {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* Responsive */

/* Tablet landscape & small desktop */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-stats {
        gap: 40px;
    }

    .nav-links {
        gap: 20px;
    }

    .header-actions .btn-outline {
        display: none;
    }
}

/* Tablet portrait (iPad ~768-834px) */
@media (max-width: 834px) {
    :root {
        --section-padding: 64px;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.75rem; }

    .hero {
        padding-top: 120px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

    .hero-stats {
        gap: 32px;
    }

    .stat-value {
        font-size: 1.75rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .feature-card {
        padding: 24px;
    }

    .feature-card p {
        font-size: 0.9rem;
    }

    .privacy-features {
        gap: 20px;
    }

    .privacy-feature {
        padding: 24px 16px;
    }

    .support-primary {
        padding: 36px 28px;
    }

    .support-headline {
        font-size: 2rem;
    }

    .alternatives-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .alternative-link {
        padding: 16px;
    }

    .download-card {
        padding: 28px;
    }

    .press-item {
        width: 300px;
    }

    .container {
        padding: 0 20px;
    }

    /* Show nav on tablet but compact */
    .nav-links {
        gap: 16px;
    }

    .nav-link {
        font-size: 0.9rem;
    }
}

/* Phone */
@media (max-width: 768px) {
    :root {
        --section-padding: 48px;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.2rem; }

    .container {
        padding: 0 16px;
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 32px;
    }

    /* Hero mobile */
    .hero {
        padding-top: 100px;
        padding-bottom: 48px;
    }

    .hero-title {
        font-size: 2rem;
        margin-bottom: 16px;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 24px;
    }

    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .support-callout {
        margin-top: 24px;
    }

    .support-links {
        flex-direction: column;
        align-items: stretch;
    }

    .support-links .btn {
        width: 100%;
    }

    .placeholder-image {
        padding: 60px 20px;
    }

    /* Features mobile */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .feature-card {
        padding: 24px;
    }

    .feature-icon {
        width: 48px;
        height: 48px;
    }

    .feature-icon svg {
        width: 28px;
        height: 28px;
    }

    /* Steps mobile */
    .steps {
        flex-direction: column;
        gap: 16px;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .step {
        max-width: 100%;
    }

    /* Requirements & Download mobile */
    .requirements-grid,
    .download-options {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .download-card {
        padding: 24px;
    }

    .download-code {
        font-size: 0.75rem;
        word-break: break-all;
    }

    /* Support section mobile */
    .support-section {
        padding: 48px 0;
    }

    .support-headline {
        font-size: 1.75rem;
    }

    .support-subheadline {
        font-size: 0.95rem;
        margin-bottom: 32px;
    }

    .support-primary {
        padding: 28px 20px;
    }

    .support-title {
        font-size: 1.2rem;
    }

    /* FAQ mobile */
    .faq-item summary {
        font-size: 0.95rem;
        padding: 16px 0;
    }

    /* Footer mobile */
    .footer {
        padding: 40px 0;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }

    .footer-copy {
        font-size: 0.8rem;
    }

    /* Press carousel mobile */
    .press-item {
        width: 260px;
        padding: 20px;
    }

    .press-quote {
        font-size: 0.85rem;
    }

    /* Code block mobile */
    .code-block pre {
        padding: 16px;
    }

    .code-block code {
        font-size: 0.8rem;
    }

    /* Modal mobile */
    .modal-content {
        padding: 28px 20px;
    }

    /* Support actions */
    .support-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* Small phones */
@media (max-width: 380px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.35rem; }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-stats {
        gap: 12px;
    }

    .stat-value {
        font-size: 1.25rem;
    }

    .privacy-highlights {
        gap: 8px;
    }

    .privacy-highlight {
        font-size: 0.75rem;
        padding: 4px 10px;
    }
}

/* ========================================
   NEW COMPONENTS - Website Overhaul 2025
   ======================================== */

/* Privacy Badge */
.privacy-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #30D158 0%, #64D2FF 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}

.privacy-highlights {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.privacy-highlight {
    display: inline-block;
    padding: 6px 14px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.support-callout {
    margin-top: 40px;
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.support-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* Coffee Button */
.btn-coffee {
    background: #FFDD00;
    color: #000000;
}

.btn-coffee:hover {
    background: #FFCC00;
    color: #000000;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--color-text);
}

/* Hamburger menu only on phones */
@media (max-width: 680px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links.active {
        display: flex;
    }

    [data-theme="dark"] .nav-links {
        background: rgba(28, 28, 30, 0.95);
    }

    .header-actions .btn-outline {
        display: none;
    }
}

/* Privacy Section */
.privacy-section {
    background: var(--color-bg-alt);
}

.privacy-content {
    text-align: center;
}

.privacy-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.privacy-feature {
    text-align: center;
    padding: 32px;
}

.privacy-feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.1) 0%, rgba(88, 86, 214, 0.1) 100%);
    border-radius: 50%;
    margin: 0 auto 20px;
    color: var(--color-primary);
}

.privacy-feature-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--color-text);
}

.privacy-feature-desc {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .privacy-features {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* Code Block Header */
.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copy-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.6);
    padding: 4px;
    transition: color var(--transition-fast);
}

.copy-btn:hover {
    color: white;
}

.copy-btn.copied {
    color: var(--color-success);
}

/* Download Requirements */
.download-requirements {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.download-requirement {
    display: inline-block;
    padding: 8px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.download-note {
    max-width: 600px;
    margin: 24px auto 0;
    padding: 16px 20px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-align: center;
}

.download-note p {
    margin-bottom: 8px;
}

.download-note code {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-bg-alt);
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    user-select: all;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--color-bg-alt);
    padding: 40px;
    border-radius: var(--border-radius-xl);
    max-width: 450px;
    width: calc(100% - 48px);
    text-align: center;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-xl);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-secondary);
    padding: 8px;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.modal-text {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modal-actions .btn {
    width: 100%;
}

/* Toast Notification */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 3000;
}

.toast {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 16px 20px;
    margin-top: 12px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 280px;
    max-width: 400px;
    transform: translateX(100%);
    opacity: 0;
    transition: all var(--transition-normal);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-content {
    flex: 1;
}

.toast-message {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.toast-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--color-text-secondary);
    padding: 4px;
}

.toast-close:hover {
    color: var(--color-text);
}

/* Community Section */
.community-section {
    padding: 80px 0;
    text-align: center;
    background: var(--color-bg);
}

.contributors-link {
    display: block;
    margin: 40px auto;
}

.contributors-img {
    max-width: 100%;
    height: auto;
    filter: grayscale(100%);
    opacity: 0.8;
    transition: all var(--transition-normal);
}

.contributors-link:hover .contributors-img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.02);
}

.community-actions {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.community-subtext {
    margin-right: 8px;
}

.link-highlight {
    color: var(--color-primary);
    font-weight: 500;
    margin: 0 8px;
}

.link-highlight:hover {
    text-decoration: underline;
}

.divider {
    opacity: 0.3;
}

@media (max-width: 768px) {
    .community-actions {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .divider {
        display: none;
    }

    .contributors-img {
        filter: grayscale(0%);
        opacity: 1;
    }
}

/* Scroll Animations */
.feature-card,
.step,
.privacy-feature,
.requirement-card,
.download-card,
.faq-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.feature-card.animate-in,
.step.animate-in,
.privacy-feature.animate-in,
.requirement-card.animate-in,
.download-card.animate-in,
.faq-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Logo Text Transition */
.logo-text {
    transition: transform var(--transition-fast);
}

/* Nav Link Active */
.nav-link.active {
    color: var(--color-primary);
}

/* ========================================
   ENHANCED ANIMATIONS & EFFECTS
   ======================================== */

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

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

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Hero Enhanced */
.hero {
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, rgba(0, 122, 255, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(88, 86, 214, 0.08) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
    pointer-events: none;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    letter-spacing: -0.03em;
}

/* Privacy Badge Enhanced */
.privacy-badge {
    animation: fadeInDown 0.6s ease-out;
    position: relative;
    overflow: hidden;
}

.privacy-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 3s infinite;
}

/* Enhanced Feature Cards */
.feature-card {
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-icon {
    transition: transform var(--transition-normal);
}

/* Press/Review Carousel */
.press-section {
    padding: 60px 0;
    background: var(--color-bg);
    overflow: hidden;
}

.press-carousel {
    position: relative;
    overflow: hidden;
    margin-top: 40px;
}

.press-track {
    display: flex;
    animation: scroll 40s linear infinite;
    width: max-content;
}

.press-track:hover {
    animation-play-state: paused;
}

.press-item {
    flex: 0 0 auto;
    width: 350px;
    padding: 24px 32px;
    margin: 0 16px;
    background: var(--color-bg-alt);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border-light);
    position: relative;
}

.press-quote {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text);
    font-style: italic;
    margin-bottom: 16px;
}

.press-attribution {
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 600;
}

.press-icon {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 24px;
    height: 24px;
    opacity: 0.2;
}

/* Special Features Grid (like DockDoor) */
.special-features-grid {
    display: flex;
    flex-direction: column;
    gap: 80px;
    margin-top: 60px;
}

.special-feature-item {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.special-feature-item:nth-child(even) {
    direction: rtl;
}

.special-feature-item:nth-child(even) > * {
    direction: ltr;
}

.special-feature-content {
    padding: 20px 0;
}

.special-feature-title {
    font-size: 2rem;
    margin-bottom: 16px;
    color: var(--color-text);
}

.special-feature-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.special-feature-media {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: var(--color-bg-dark);
}

.special-feature-media img,
.special-feature-media video {
    width: 100%;
    display: block;
}

@media (max-width: 900px) {
    .special-feature-item {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .special-feature-item:nth-child(even) {
        direction: ltr;
    }

    .special-feature-title {
        font-size: 1.5rem;
    }
}

/* Keyboard Shortcuts Section */
.keyboard-content {
    text-align: center;
}

.keyboard-shortcuts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin: 48px 0;
}

.shortcut-group {
    background: var(--color-bg-alt);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border-light);
}

.shortcut-title {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.shortcut-keys {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}

.key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: 0 2px 0 var(--color-border);
}

.key-action { background: linear-gradient(135deg, #34C759 0%, #30D158 100%); color: white; border-color: #2DB84D; box-shadow: 0 2px 0 #2DB84D; }
.key-close { background: linear-gradient(135deg, #FF3B30 0%, #FF453A 100%); color: white; border-color: #E63329; box-shadow: 0 2px 0 #E63329; }
.key-quit { background: linear-gradient(135deg, #FF9500 0%, #FF9F0A 100%); color: white; border-color: #E68600; box-shadow: 0 2px 0 #E68600; }
.key-minimize { background: linear-gradient(135deg, #5856D6 0%, #5E5CE6 100%); color: white; border-color: #4E4CC0; box-shadow: 0 2px 0 #4E4CC0; }

.shortcut-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.action-select { color: #34C759; font-weight: 600; }
.action-close { color: #FF3B30; font-weight: 600; }
.action-quit { color: #FF9500; font-weight: 600; }
.action-minimize { color: #5856D6; font-weight: 600; }

.keyboard-workflow {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    padding: 40px;
    border-radius: var(--border-radius-xl);
    color: white;
}

.workflow-title {
    font-size: 1.25rem;
    margin-bottom: 24px;
    color: white;
}

.workflow-steps {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.workflow-step {
    display: flex;
    align-items: center;
    gap: 12px;
}

.workflow-step .step-number {
    width: 32px;
    height: 32px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.workflow-step .step-text {
    font-size: 0.95rem;
    opacity: 0.95;
}

@media (max-width: 900px) {
    .keyboard-shortcuts {
        grid-template-columns: 1fr;
    }

    .workflow-steps {
        flex-direction: column;
        gap: 16px;
    }
}

/* Enhanced Download Section */
.download-section {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    padding: 100px 0;
}

.download-content {
    text-align: center;
}

.download-headline {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.download-subheadline {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
}

.download-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

/* Enhanced Support Section */
.support-section {
    padding: 100px 0;
    background: var(--color-bg-alt);
}

.support-content {
    text-align: center;
}

.support-headline {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.support-subheadline {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 48px;
    line-height: 1.6;
}

.support-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    padding: 48px;
    border-radius: var(--border-radius-xl);
    color: white;
    margin-bottom: 48px;
}

.support-title {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: white;
}

.support-description {
    opacity: 0.9;
    margin-bottom: 24px;
    color: white;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.support-line {
    margin-top: 16px;
    font-size: 0.9rem;
    opacity: 0.8;
    color: white;
}

.support-alternatives {
    max-width: 700px;
    margin: 0 auto;
}

.alternatives-title {
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: var(--color-text-secondary);
}

.alternatives-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.alternative-link {
    display: flex;
    flex-direction: column;
    padding: 24px;
    background: var(--color-bg);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.alternative-link:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.alternative-title {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.alternative-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .alternatives-grid {
        grid-template-columns: 1fr;
    }
}

/* Enhanced FAQ Section */
.faq-section {
    padding: 100px 0;
    background: var(--color-bg);
}

.faq-headline {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 12px;
}

.faq-subheadline {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 48px;
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg-alt);
    border-radius: var(--border-radius-md);
    margin-bottom: 12px;
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--color-border);
}

.faq-item[open] {
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: 20px 24px;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question p {
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.faq-question i {
    color: var(--color-text-secondary);
    transition: transform var(--transition-fast);
    font-style: normal;
}

.faq-item[open] .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 24px 24px;
}

.faq-answer p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Glass Card Effect */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Button Hover Glow */
.btn-primary {
    position: relative;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    border-radius: inherit;
    transform: translate(-50%, -50%);
    opacity: 0;
    filter: blur(20px);
    z-index: -1;
    transition: opacity var(--transition-normal);
}

.btn-primary:hover::after {
    opacity: 0.4;
}

/* Staggered Animation for Cards */
.features-grid .feature-card:nth-child(1) { animation-delay: 0.1s; }
.features-grid .feature-card:nth-child(2) { animation-delay: 0.2s; }
.features-grid .feature-card:nth-child(3) { animation-delay: 0.3s; }
.features-grid .feature-card:nth-child(4) { animation-delay: 0.4s; }
.features-grid .feature-card:nth-child(5) { animation-delay: 0.5s; }
.features-grid .feature-card:nth-child(6) { animation-delay: 0.6s; }

/* Smooth Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    animation: float 2s ease-in-out infinite;
}

.scroll-indicator svg {
    animation: pulse 2s ease-in-out infinite;
}