/* ===== CSS Variables ===== */
:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-card: #141414;
    --text-primary: #ffffff;
    --text-secondary: #808080;
    --accent-primary: #ffffff;
    --accent-secondary: #cccccc;
    --accent-gradient: linear-gradient(135deg, #ffffff 0%, #cccccc 100%);
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow: rgba(0, 0, 0, 0.8);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
    display: inline-block;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

/* ===== Navigation ===== */
.navbar {
    background-color: rgba(10, 10, 10, 0.8);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-icon {
    width: 32px !important;
    height: 32px !important;
    min-width: 32px;
    min-height: 32px;
    max-width: 32px;
    max-height: 32px;
    border-radius: 8px;
    object-fit: cover;
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem;
    margin: -0.5rem;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 2px;
    background: #ffffff;
    border-radius: 2px;
}

/* ===== Main Content ===== */
main {
    flex: 1;
    padding-top: 80px;
}

/* ===== Hero Section ===== */
.hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    padding: 0 3rem;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
    width: 100%;
}

.hero-text {
    max-width: 600px;
}

.hero-label {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    display: inline-block;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 3rem;
}

.demo-quick-add {
    margin: 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    overflow: hidden;
}

.demo-suggestions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
    transform: scale(0.75);
    transform-origin: left center;
}

.ai-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding-right: 0.5rem;
}

.sparkles-icon {
    font-size: 1rem;
    margin-left: 0.25rem;
}

.ai-indicator .divider {
    color: rgba(255, 255, 255, 0.3);
    font-weight: 300;
    font-size: 1rem;
}

.suggestion-pill {
    padding: 0.5rem 0.875rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    cursor: pointer;
}

.suggestion-pill i:first-child {
    font-size: 0.875rem;
}

.suggestion-pill i:last-child {
    font-size: 0.75rem;
    opacity: 0.7;
}

.suggestion-pill:hover {
    transform: translateY(-2px);
}

.suggestion-task {
    background: rgba(100, 100, 100, 0.25);
    color: #e5e5e5;
    border: 1px solid rgba(150, 150, 150, 0.3);
}

.suggestion-date {
    background: rgba(251, 146, 60, 0.25);
    color: #fb923c;
    border: 1px solid rgba(251, 146, 60, 0.4);
}

.demo-input-bar {
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 999px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.25rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.demo-input-bar:hover {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.demo-app-icon {
    width: 28px !important;
    height: 28px !important;
    min-width: 28px;
    min-height: 28px;
    max-width: 28px;
    max-height: 28px;
    border-radius: 7px;
    object-fit: cover;
    flex-shrink: 0;
}

.demo-text {
    color: var(--text-primary);
    font-weight: 400;
    letter-spacing: -0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cursor-blink {
    width: 2px;
    height: 1.25rem;
    background: #3b82f6;
    animation: blink 1s infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

.demo-actions {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}

.action-btn {
    background: rgba(100, 100, 100, 0.2);
    border: none;
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.action-btn:hover {
    transform: scale(1.1);
}

.action-btn i {
    font-size: 0.875rem;
}

.action-tag:hover {
    background: rgba(59, 130, 246, 0.25);
    color: #3b82f6;
}

.action-flag:hover {
    background: rgba(239, 68, 68, 0.25);
    color: #ef4444;
}

.action-calendar:hover {
    background: rgba(251, 146, 60, 0.25);
    color: #fb923c;
}

.tag-flipped {
    transform: scaleX(-1);
}

.cta-buttons {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.btn-primary {
    background: #ffffff;
    color: #000000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.3);
    background: #e5e5e5;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* ===== Phone Mockup ===== */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.phone-mockup {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.phone-frame {
    width: 320px;
    height: 650px;
    background: linear-gradient(145deg, #1a1a1a, #0f0f0f);
    border-radius: 45px;
    padding: 12px;
    position: relative;
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.8),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.phone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 30px;
    background: #0a0a0a;
    border-radius: 0 0 20px 20px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    border-radius: 35px;
    overflow: hidden;
    position: relative;
}

.app-screenshot {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
    display: block;
}

.screenshot-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0a0a 0%, #141414 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

.screenshot-placeholder p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.phone-shadow {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 40px;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    filter: blur(20px);
    z-index: -1;
}

/* If screenshot exists, hide placeholder */
.app-screenshot:not([src=""]) ~ .screenshot-placeholder {
    display: none;
}

/* ===== Highlights Section ===== */
.highlights {
    padding: 6rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.highlights-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.highlight-card {
    text-align: center;
    padding: 2rem 1.5rem;
}

.highlight-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    transition: var(--transition);
}

.highlight-icon i {
    font-size: 2rem;
    color: #ffffff;
}

.highlight-card:hover .highlight-icon {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-4px);
}

.highlight-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-weight: 600;
}

.highlight-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

kbd {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    font-family: ui-monospace, monospace;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.2);
    margin: 0 0.125rem;
}

/* ===== Features Section ===== */
.features {
    padding: 8rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-header h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: #ffffff;
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.feature-icon i {
    font-size: 2rem;
    color: #ffffff;
}

.feature-card:hover .feature-icon {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

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

/* ===== Screenshots Section ===== */
.screenshots {
    padding: 8rem 3rem;
    max-width: 1600px;
    margin: 0 auto;
    background: var(--bg-secondary);
}

.screenshots-grid {
    display: flex;
    gap: 2rem;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.screenshot-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    flex: 1;
    min-width: 0;
}

.screenshot-card:hover {
    flex: 2.75;
    transform: translateY(-12px) scale(1.05);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.9);
    z-index: 10;
}

.screenshot-card img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    background: var(--bg-primary);
}

.screenshot-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
}

.screenshot-label i {
    font-size: 1.25rem;
}

/* ===== FAQ Section ===== */
.faq {
    padding: 8rem 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.faq-question {
    padding: 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    user-select: none;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.faq-question h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.faq-question i {
    font-size: 1rem;
    color: var(--text-secondary);
    transition: var(--transition);
    flex-shrink: 0;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 2rem 2rem;
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-answer a {
    color: #ffffff;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
}

.faq-answer a:hover {
    color: #cccccc;
    border-bottom-color: #cccccc;
}

/* ===== Content Pages ===== */
.content-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 3rem;
}

.content-page h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.last-updated {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 3rem;
    font-size: 0.9375rem;
}

.intro {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.content-page section {
    margin-bottom: 4rem;
}

.content-page h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.content-page h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.content-page p {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.8;
    font-size: 1rem;
}

.content-page ul, .content-page ol {
    color: var(--text-secondary);
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.content-page li {
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.content-page a {
    color: #ffffff;
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.content-page a:hover {
    color: #cccccc;
    border-bottom-color: #cccccc;
}

.content-page strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ===== Support Page Styles ===== */
.support-section {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.support-section h3 {
    margin-top: 0;
}

.contact-options {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-card {
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.contact-card h3 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
}

.contact-card strong {
    color: #ffffff;
    font-size: 1.25rem;
}

.contact-card .note {
    font-style: italic;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-top: 1rem;
}

/* ===== Footer ===== */
footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 3rem;
    margin-top: auto;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9375rem;
    padding: 0.5rem;
    margin: -0.5rem;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

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

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

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .hero-content {
        gap: 4rem;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .highlights-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 968px) {
    .nav-container {
        padding: 1.25rem 2rem;
    }
    
    .nav-links {
        gap: 2rem;
    }
    
    .hero {
        padding: 0 2rem;
        min-height: auto;
        padding-top: 4rem;
        padding-bottom: 4rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .hero-text {
        text-align: center;
        max-width: 100%;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .phone-frame {
        width: 280px;
        height: 570px;
    }
    
    .section-header h2 {
        font-size: 2.5rem;
    }
    
    .features,
    .about {
        padding: 5rem 2rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .screenshot-card {
        flex: 1;
    }
    
    .screenshot-card:hover {
        flex: 1;
        transform: translateY(-8px) scale(1.02);
    }
}

@media (max-width: 768px) {
    .highlights-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .demo-suggestions {
        transform: scale(0.65);
    }
    
    .demo-input-bar {
        padding: 0.875rem 1.25rem;
        font-size: 1.125rem;
    }
}

@media (max-width: 640px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 1.5rem;
    }
    
    .nav-links {
        gap: 1.5rem;
        font-size: 0.875rem;
    }
    
    .hero {
        padding: 3rem 1.5rem;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero-label {
        font-size: 0.75rem;
    }
    
    .hero-description {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .demo-quick-add {
        margin: 1.5rem 0;
    }
    
    .demo-suggestions {
        transform: scale(0.6);
        gap: 0.5rem;
    }
    
    .demo-input-bar {
        padding: 0.75rem 1rem;
        font-size: 1rem;
        gap: 0.75rem;
    }
    
    .demo-app-icon {
        width: 24px !important;
        height: 24px !important;
        min-width: 24px;
        min-height: 24px;
        max-width: 24px;
        max-height: 24px;
    }
    
    .demo-actions {
        gap: 0.375rem;
    }
    
    .action-btn {
        width: 28px;
        height: 28px;
    }
    
    .action-btn i {
        font-size: 0.75rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        text-align: center;
        padding: 0.875rem 1.5rem;
        font-size: 0.9375rem;
    }
    
    .phone-frame {
        width: 240px;
        height: 490px;
        border-radius: 35px;
        padding: 10px;
    }
    
    .phone-screen {
        border-radius: 28px;
    }
    
    .phone-notch {
        width: 100px;
        height: 25px;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    .highlights,
    .features,
    .screenshots,
    .faq {
        padding: 4rem 1.5rem;
    }
    
    .highlights-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .highlight-card {
        padding: 2rem 1rem;
    }
    
    .highlight-icon {
        width: 64px;
        height: 64px;
        margin-bottom: 1.5rem;
    }
    
    .highlight-icon i {
        font-size: 1.75rem;
    }
    
    .highlight-card h3 {
        font-size: 1.125rem;
    }
    
    .highlight-card p {
        font-size: 0.875rem;
    }
    
    .screenshots-grid {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .screenshot-card {
        flex: 1;
    }
    
    .screenshot-card:hover {
        flex: 1;
        transform: translateY(-4px) scale(1.01);
    }
    
    .screenshot-label {
        padding: 1rem;
        font-size: 0.875rem;
    }
    
    .faq-question {
        padding: 1.25rem;
        gap: 1rem;
    }
    
    .faq-question h3 {
        font-size: 1rem;
    }
    
    .faq-answer p {
        padding: 0 1.25rem 1.25rem;
        font-size: 0.9375rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: 2rem;
    }
    
    .content-page {
        padding: 3rem 1.5rem;
    }
    
    .content-page h1 {
        font-size: 2.25rem;
    }
    
    .content-page h2 {
        font-size: 1.75rem;
    }
    
    .footer-links {
        gap: 1.5rem;
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.8125rem;
    }
    
    .hero {
        padding: 2rem 1rem;
    }
    
    .hero h1 {
        font-size: 1.875rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-description {
        font-size: 0.9375rem;
        margin-bottom: 2rem;
    }
    
    .demo-quick-add {
        margin: 1.25rem 0;
    }
    
    .demo-suggestions {
        transform: scale(0.55);
    }
    
    .demo-input-bar {
        padding: 0.625rem 0.875rem;
        font-size: 0.9375rem;
        gap: 0.5rem;
    }
    
    .demo-text {
        font-size: 0.9375rem;
    }
    
    .cursor-blink {
        height: 1rem;
    }
    
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .phone-frame {
        width: 200px;
        height: 410px;
        border-radius: 30px;
        padding: 8px;
    }
    
    .phone-screen {
        border-radius: 24px;
    }
    
    .phone-notch {
        width: 80px;
        height: 20px;
        top: 8px;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .section-header p {
        font-size: 0.9375rem;
    }
    
    .highlights,
    .features,
    .screenshots,
    .faq {
        padding: 3rem 1rem;
    }
    
    .highlight-card {
        padding: 1.5rem 0.75rem;
    }
    
    .highlight-icon {
        width: 56px;
        height: 56px;
    }
    
    .highlight-icon i {
        font-size: 1.5rem;
    }
    
    .faq-question {
        padding: 1rem;
    }
    
    .faq-question h3 {
        font-size: 0.9375rem;
    }
    
    .faq-answer p {
        padding: 0 1rem 1rem;
        font-size: 0.875rem;
    }
    
    .footer-container {
        padding: 0 1rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}