:root {
    /* Colors - Mobile App Palette */
    --primary-text: #37352f;
    --secondary-text: #787774;
    --tertiary-text: #9b9a97;
    --primary-background: #ffffff;
    --card-background: #ffffff;
    --accent-background: #f7f6f3;
    /* Notion light gray */
    --hairline-border: #e9e9e8;
    --selection-color: #cce9ff;

    /* Notion Colors */
    --notion-red: #ffe2dd;
    --notion-yellow: #fdecc8;
    --notion-green: #dbeddb;
    --notion-blue: #d3e5ef;
    --notion-purple: #e8deee;
    --notion-pink: #f5e0e9;
    --notion-gray: #f1f0ef;

    /* Spacing */
    --space-xxs: 4px;
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-xxl: 80px;
    /* Increased from 64px */
    --space-xxxl: 120px;
    /* Increased from 96px */

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 12px;
    --radius-pill: 999px;

    /* Border */
    --border-hairline: 1px;
}



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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--primary-background);
    color: var(--primary-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Layout */
.container {
    width: 100%;
    max-width: 900px;
    /* Notion standard readable width */
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.notion-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-xxl) 0 var(--space-xl);
}

.notion-icon {
    font-size: 72px;
    margin-bottom: var(--space-md);
    line-height: 1;
}

.notion-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--primary-text);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.notion-desc {
    font-size: 20px;
    color: var(--secondary-text);
    max-width: 600px;
    line-height: 1.5;
    margin-bottom: var(--space-lg);
}

.notion-callout {
    background: var(--accent-background);
    padding: 16px 16px 16px 12px;
    border-radius: var(--radius-sm);
    display: flex;
    gap: 12px;
    margin-bottom: var(--space-md);
    border: 1px solid transparent;
    /* Keeps sizing consistent */
    color: var(--primary-text);
    font-size: 16px;
    line-height: 1.5;
    align-items: flex-start;
}

.notion-callout-icon {
    font-size: 24px;
    line-height: 1.2;
    /* Match text line height roughly for alignment */
}

/* Feature List (Notion Style Grid) */
.notion-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin: var(--space-xl) 0;
}

@media (min-width: 768px) {
    .notion-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.notion-subtitle {
    font-size: 24px;
    font-weight: 600;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--hairline-border);
    color: var(--primary-text);
}

.app-screenshot-container {
    background: var(--accent-background);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    margin: var(--space-xl) 0;
    display: flex;
    justify-content: center;
}

.app-screenshot-img {
    max-width: 100%;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

section {
    padding: var(--space-xxl) 0;
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) 0;
    margin-bottom: var(--space-lg);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: 20px;
    color: var(--primary-text);
    text-decoration: none;
}

.nav-links {
    display: none;
    /* Mobile first */
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
        gap: var(--space-lg);
    }
}

.nav-link {
    color: var(--secondary-text);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Notion Back Button */
.back-nav {
    padding-top: var(--space-md);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: transparent;
    color: var(--secondary-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 999px;
    /* Pill Shape */
    border: 1px solid transparent;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    user-select: none;
}

.back-link:hover {
    background: var(--accent-background);
    color: var(--primary-text);
    border-color: var(--hairline-border);
}

.back-link svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* Unified Feature Card (Notion Gallery View) */
.notion-gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin: var(--space-xl) 0;
}

@media (min-width: 768px) {
    .notion-gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.notion-card {
    background: #fff;
    border: 1px solid var(--hairline-border);
    border-radius: var(--radius-sm);
    padding: 16px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    transition: background 0.1s;
    height: 100%;
}

.notion-card:hover {
    background: var(--accent-background);
}

.notion-card-icon {
    font-size: 24px;
    margin-bottom: 12px;
}

.notion-card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--primary-text);
}

.notion-card-desc {
    font-size: 14px;
    color: var(--secondary-text);
    line-height: 1.5;
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
    padding-bottom: var(--space-xxxl);
    padding-top: var(--space-xl);
}

@media (min-width: 900px) {
    .hero {
        grid-template-columns: 1.2fr 1fr;
        gap: var(--space-xxl);
    }
}

.hero-content h1 {
    font-size: 40px;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -1px;
}

@media (min-width: 768px) {
    .hero-content h1 {
        font-size: 56px;
    }
}

.hero-text {
    font-size: 18px;
    color: var(--secondary-text);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.store-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 300px;
}

@media (min-width: 500px) {
    .store-buttons {
        flex-direction: row;
        max-width: none;
    }
}

.store-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-text);
    /* Black/White depending on theme */
    color: var(--primary-background);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: opacity 0.2s;
    height: 48px;
    min-width: 160px;
}

.store-btn svg {
    margin-right: 8px;
    fill: currentColor;
    width: 20px;
    height: 20px;
}

.store-btn:hover {
    opacity: 0.9;
}

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

.phone-mockup {
    width: 280px;
    height: 580px;
    background-color: var(--primary-text);
    /* Outline */
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background-color: var(--accent-background);
    border-radius: 30px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Centered Hero (Content First) */
.hero-centered {
    text-align: center;
    padding: var(--space-xxl) 0 var(--space-xl);
    max-width: 800px;
    margin: 0 auto;
}

.countdown-display {
    font-size: 40px;
    font-weight: 700;
    font-family: "SF Mono", "Menlo", monospace;
    letter-spacing: -2px;
    margin: var(--space-lg) 0;
    color: var(--primary-text);
}

@media (min-width: 768px) {
    .countdown-display {
        font-size: 72px;
    }
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.blog-card {
    background: var(--card-background);
    border: var(--border-hairline) solid var(--hairline-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--primary-text);
    transition: transform 0.2s;
}

.blog-card:hover {
    transform: translateY(-4px);
}

.blog-image {
    height: 180px;
    background: var(--accent-background);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tertiary-text);
    font-size: 14px;
}

.blog-content {
    padding: var(--space-md);
}

.blog-tag {
    font-size: 12px;
    color: var(--secondary-text);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    display: block;
}

.blog-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    line-height: 1.3;
}

.blog-snippet {
    font-size: 14px;
    color: var(--secondary-text);
    line-height: 1.5;
}

/* App Promo Section (Bottom) */
.app-promo {
    background: var(--accent-background);
    border-radius: 24px;
    padding: var(--space-xxl) var(--space-xl);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xxl);
    align-items: center;
    margin-top: var(--space-xxxl);
}

@media (min-width: 900px) {
    .app-promo {
        grid-template-columns: 1fr 1fr;
        padding: var(--space-xxl) var(--space-xxl);
    }
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: var(--space-xxl);
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-text);
    background-color: var(--accent-background);
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: 32px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    background-color: var(--card-background);
    border: var(--border-hairline) solid var(--hairline-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background-color: var(--accent-background);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    font-size: 24px;
}

.feature-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.feature-desc {
    color: var(--secondary-text);
    font-size: 15px;
    line-height: 1.4;
}

/* Weekly Grid */
.weekly-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 900px) {
    .weekly-grid {
        grid-template-columns: 1.2fr 1fr 0.8fr;
        /* Weighted columns */
    }
}

.content-card {
    background-color: var(--card-background);
    border: var(--border-hairline) solid var(--hairline-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    height: 100%;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.content-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    border-color: var(--secondary-text);
}

.card-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--secondary-text);
    text-transform: uppercase;
    margin-bottom: var(--space-xs);
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.card-subtitle {
    font-size: 15px;
    color: var(--secondary-text);
    margin-bottom: var(--space-md);
}

.mock-image {
    width: 100%;
    height: 160px;
    background-color: var(--accent-background);
    border-radius: var(--radius-sm);
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tertiary-text);
    font-size: 13px;
    overflow: hidden;
}

.mock-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.quote-content {
    font-family: serif;
    font-size: 20px;
    font-style: italic;
    line-height: 1.5;
    margin-bottom: var(--space-md);
    flex-grow: 1;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

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

.modal-container {
    background: var(--card-background);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    border-radius: 20px;
    padding: 30px;
    position: relative;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.2ms cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    border: var(--border-hairline) solid var(--hairline-border);
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent-background);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-text);
    transition: background 0.2s;
}

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

/* Footer */
footer {
    background-color: #0F0F0F;
    /* Dark dark footer */
    color: #A3A3A3;
    padding: var(--space-xxl) 0;
    margin-top: 0;
    /* Removing top margin as section padding handles it */
}



.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand h3 {
    color: #FFFFFF;
    font-size: 18px;
    margin-bottom: var(--space-sm);
}

.footer-brand p {
    font-size: 14px;
    max-width: 300px;
    line-height: 1.6;
}

.footer-col h4 {
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--space-md);
    text-transform: uppercase;
}

.footer-link {
    display: block;
    color: #A3A3A3;
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.2s;
}

.footer-link:hover {
    color: #FFFFFF;
}

.footer-bottom {
    margin-top: var(--space-xxl);
    padding-top: var(--space-lg);
    border-top: 1px solid #262626;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 13px;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* App Choice Section */
.app-choice-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    padding: var(--space-xl) 0;
    margin-bottom: var(--space-xxl);
}

@media (min-width: 768px) {
    .app-choice-section {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xxl);
    }
}

.app-choice-card {
    background: var(--card-background);
    border: var(--border-hairline) solid var(--hairline-border);
    border-radius: 24px;
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    color: var(--primary-text);
}

.app-choice-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.app-logo {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    margin-bottom: var(--space-md);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    object-fit: cover;
}

.app-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.app-desc {
    color: var(--secondary-text);
    margin-bottom: var(--space-lg);
    font-size: 16px;
    line-height: 1.5;
}

.app-screenshot {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-top: auto;
    border: 1px solid var(--hairline-border);
}

.app-screenshot img {
    width: 100%;
    height: auto;
    display: block;
}

/* Combined Hero (Countdown + Quote) */
.hero-combined {
    text-align: center;
    padding: var(--space-xxl) 0;
    max-width: 900px;
    margin: 0 auto;
}

.quote-container {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: var(--accent-background);
    border-radius: var(--radius-lg);
    position: relative;
}

.quote-text {
    font-family: serif;
    font-size: 24px;
    font-style: italic;
    color: var(--primary-text);
    margin-bottom: var(--space-sm);
}

.quote-author {
    font-size: 14px;
    color: var(--secondary-text);
    font-weight: 500;
}