:root {
    /* Ultra-Minimalist "Pro" Palette */
    --bg-color: #FAFAFA;
    /* Pure, crisp very-light gray/white */
    --surface-color: #FFFFFF;

    --text-primary: #000000;
    --text-secondary: #6B7280;
    /* Elegant soft gray */

    --accent-color: #4F46E5;
    /* Indigo */
    --accent-hover: #4338CA;

    --border-color: rgba(0, 0, 0, 0.06);
    --shadow-soft: 0 10px 40px -10px rgba(0, 0, 0, 0.05);

    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Ambient glow background for subtle depth, not overwhelming */
.ambient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
}

.glow-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-color);
    top: -200px;
    right: -100px;
}

.glow-2 {
    width: 500px;
    height: 500px;
    background: #0EA5E9;
    /* subtle icy blue */
    bottom: -150px;
    left: -100px;
}

/* Container */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.pro-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 2rem;
    z-index: 100;
    background: rgba(250, 250, 250, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-100%);
    opacity: 0;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.dw-icon {
    width: 36px;
    height: 36px;
    background: var(--text-primary);
    color: var(--surface-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.02em;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.nav-cta {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent-color);
    text-decoration: none;
    transition: opacity 0.2s;
}

.nav-cta:hover {
    opacity: 0.8;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    padding: 0.875rem 2rem;
    background-color: var(--text-primary);
    color: var(--surface-color);
    border-radius: 100px;
    font-weight: 500;
    text-decoration: none;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s;
    font-size: 0.95rem;
}

.btn-primary:hover {
    background-color: var(--text-secondary);
    transform: translateY(-2px);
}

.btn-secondary {
    display: inline-block;
    padding: 0.875rem 2rem;
    background-color: transparent;
    color: var(--text-primary);
    border-radius: 100px;
    font-weight: 500;
    text-decoration: none;
    transition: opacity 0.2s;
    font-size: 0.95rem;
}

.btn-secondary:hover {
    opacity: 0.6;
}

.btn-secondary .arrow {
    font-family: var(--font-body);
    margin-left: 0.25rem;
}

/* Hero Section */
.hero-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding-top: 20px;
}

.hero-content {
    max-width: 700px;
    z-index: 10;
}

.hero-logo-banner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    box-shadow: var(--shadow-soft);
}

.main-title {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 3rem;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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



/* Sections Global */
.section {
    padding: 8rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Features Grid (Apple-like Cards) */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.pro-card {
    background: var(--surface-color);
    border-radius: 24px;
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.pro-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.08);
}

.card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.pro-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.pro-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Workflow Section */
.workflow-section {
    background-color: var(--surface-color);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.workflow-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.workflow-steps .section-title {
    text-align: left;
    margin-bottom: 3rem;
}

.step-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    position: relative;
}

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

.step-line {
    position: absolute;
    left: 15px;
    /* center of the 30px number */
    top: 30px;
    bottom: -40px;
    width: 2px;
    background: var(--border-color);
    z-index: 0;
}

.step-item:last-child .step-line {
    display: none;
}

.step-number {
    width: 32px;
    height: 32px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    z-index: 1;
    flex-shrink: 0;
}

.step-detail h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.step-detail p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Abstract Geometric Art */
.geometric-art {
    position: relative;
    height: 450px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.shape {
    position: absolute;
    border-radius: 40px;
    background: linear-gradient(135deg, var(--accent-color), #8B5CF6);
    opacity: 0.8;
}

.shape-1 {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    top: 50px;
    left: 40px;
    background: linear-gradient(135deg, #10B981, #3B82F6);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.2);
}

.shape-2 {
    width: 180px;
    height: 180px;
    bottom: 40px;
    right: 50px;
    border-radius: 30px;
    transform: rotate(15deg);
    background: linear-gradient(135deg, #F59E0B, #EF4444);
    box-shadow: 0 20px 40px rgba(245, 158, 11, 0.2);
}

.shape-3 {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    top: 100px;
    right: 80px;
    background: linear-gradient(135deg, var(--accent-color), #EC4899);
    filter: blur(8px);
    opacity: 0.6;
}

.shape-glass {
    position: absolute;
    width: 300px;
    height: 350px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 32px;
    z-index: 10;
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.1);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.dw-icon-large {
    width: 80px;
    height: 80px;
    background: var(--text-primary);
    color: var(--surface-color);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 2.25rem;
    letter-spacing: -0.04em;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

/* --- Bento Workspace Section --- */
.bento-section {
    padding: 8rem 0;
    background: #FAFAFA;
    /* slight off-white contrast */
}

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

.bento-item {
    background: var(--surface-color);
    border-radius: 32px;
    padding: 3rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.bento-item h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0;
    letter-spacing: -0.02em;
}

.bento-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

.bento-item .card-icon {
    margin-bottom: 0;
}

.bento-item.large {
    grid-column: span 2;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.bento-item.large .bento-content {
    flex: 1;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.bento-visual {
    flex: 1;
    background: #F3F4F6;
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    min-height: 200px;
    width: 100%;
}

.bento-visual.subtle {
    background: linear-gradient(135deg, rgba(82, 113, 255, 0.03), rgba(82, 113, 255, 0.08));
    gap: 1rem;
}

/* --- High-Fidelity UI Mockups --- */

/* 1. Project Management Mockup */
.ui-mockup-projects {
    width: 100%;
    background: #FFFFFF;
    border-radius: 24px;
    padding: 1.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.02);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.ui-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ui-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.ui-avatars {
    display: flex;
}

.avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid #FFF;
    margin-left: -8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.avatar:first-child {
    margin-left: 0;
}

.ui-progress-bar {
    width: 100%;
    height: 6px;
    background: #F3F4F6;
    border-radius: 3px;
    overflow: hidden;
}

.ui-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #5C3CF7, #8B5CF6);
    border-radius: 3px;
}

.ui-task-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.ui-task {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #F9FAFB;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.ui-task:hover {
    background: #FFF;
    border-color: #E5E7EB;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.ui-checkbox {
    width: 20px;
    height: 20px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ui-checkbox.empty {
    border: 2px solid #D1D5DB;
    background: #FFF;
}

.ui-task.done .ui-checkbox {
    background: #5C3CF7;
    border: none;
}

.ui-task.done .ui-checkbox svg {
    width: 12px;
    height: 12px;
}

.ui-task-text {
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 500;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ui-task.done .ui-task-text {
    color: var(--text-secondary);
    text-decoration: line-through;
}

.ui-tag {
    font-size: 0.65rem;
    padding: 0.25rem 0.5rem;
    border-radius: 100px;
    font-weight: 600;
}

.ui-tag.green {
    background: #E0F2FE;
    color: #0284C7;
}

.ui-tag.purple {
    background: #F3E8FF;
    color: #9333EA;
}

/* 2. Note Taking Mockup */
.ui-mockup-notes {
    width: 100%;
    height: 100%;
    background: #FFFFFF;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.ui-note-toolbar {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: #F9FAFB;
    border-bottom: 1px solid #E5E7EB;
}

.ui-tool {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: default;
}

.ui-tool.active {
    background: #E5E7EB;
    color: var(--text-primary);
}

.ui-note-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex: 1;
}

.ui-note-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-heading);
}

.ui-note-body {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.ui-text-line {
    height: 8px;
    background: #F3F4F6;
    border-radius: 4px;
}

.ui-text-line.full {
    width: 100%;
}

.ui-text-line.almost {
    width: 85%;
}

.ui-text-line.half {
    width: 50%;
}

.ui-text-line.short {
    width: 25%;
    position: relative;
}

.ui-blockquote {
    border-left: 3px solid #5C3CF7;
    padding-left: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 0.5rem 0;
}

.ui-cursor {
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 14px;
    background: #5C3CF7;
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

/* 3. File Management Mockup */
.ui-mockup-files {
    width: 100%;
}

.ui-file-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.ui-file-item {
    background: white;
    padding: 1rem;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ui-file-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.ui-folder-icon {
    width: 48px;
    height: 36px;
    background: linear-gradient(135deg, #60A5FA, #3B82F6);
    border-radius: 6px 8px 8px 8px;
    position: relative;
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.2);
}

.ui-folder-icon::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 0;
    width: 18px;
    height: 10px;
    background: #60A5FA;
    border-radius: 4px 4px 0 0;
}

.ui-folder-icon.pink {
    background: linear-gradient(135deg, #F472B6, #EC4899);
    box-shadow: 0 4px 10px rgba(236, 72, 153, 0.2);
}

.ui-folder-icon.pink::before {
    background: #F472B6;
}

.ui-doc-icon {
    width: 32px;
    height: 42px;
    background: #FFF;
    border: 2px solid #E5E7EB;
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}

.ui-doc-icon::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 10px;
    height: 10px;
    background: #E5E7EB;
    border-bottom-left-radius: 4px;
}

.ui-doc-icon::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 6px;
    right: 6px;
    height: 2px;
    background: #E5E7EB;
    box-shadow: 0 -6px 0 #E5E7EB, 0 -12px 0 #E5E7EB;
}

.ui-doc-icon.image {
    background: linear-gradient(135deg, #A78BFA, #8B5CF6);
    border: none;
    box-shadow: 0 4px 10px rgba(139, 92, 246, 0.2);
}

.ui-doc-icon.image::before {
    background: rgba(255, 255, 255, 0.3);
}

.ui-doc-icon.image::after {
    box-shadow: none;
    background: none;
    width: 14px;
    height: 14px;
    border: 2px solid white;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    bottom: auto;
    right: auto;
}

.ui-file-name {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
}

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

    .bento-item.large {
        grid-column: span 1;
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
    }

    .bento-item.large .bento-content {
        max-width: 100%;
    }
}

/* Footer CTA */
.footer-cta {
    padding: 10rem 0;
}

.footer-cta h2 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 600;
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
}

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

/* Responsive */
@media (max-width: 900px) {
    .workflow-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }

    .workflow-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    .main-title {
        font-size: 3rem;
    }

    .floating-ring {
        display: none;
    }

    .cta-group {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        text-align: center;
    }
}