/* CSS Variables & Tokens */
:root {
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', 'Inter', system-ui, sans-serif;
    
    /* Color Palette */
    --color-primary: #3b82f6;        /* Blue 500 */
    --color-primary-hover: #1d4ed8;  /* Blue 700 */
    --color-accent: #6366f1;         /* Indigo 500 */
    --color-accent-hover: #4f46e5;   /* Indigo 600 */
    
    /* Dark Mode (Hero/CTA/Footer) */
    --color-dark-bg: #0b1329;        /* Rich dark blue */
    --color-darker-bg: #050a16;      /* Ultra dark blue */
    --color-dark-card: #121e3d;      /* Dark blue card */
    --color-dark-border: rgba(255, 255, 255, 0.08);
    
    /* Light Mode (Features/Playground) */
    --color-light-bg: #f8fafc;       /* Slate 50 */
    --color-card-bg: #ffffff;
    --color-border: #e2e8f0;         /* Slate 200 */
    
    /* Text Colors */
    --color-text-dark: #0f172a;      /* Slate 900 */
    --color-text-muted: #64748b;     /* Slate 500 */
    --color-text-light: #94a3b8;     /* Slate 400 */
    --color-text-white: #ffffff;
    
    /* Pomodoro Timer Colors */
    --color-timer-focus: #ef4444;    /* Red 500 */
    --color-timer-short: #10b981;    /* Green 500 */
    --color-timer-long: #3b82f6;     /* Blue 500 */
    
    /* Layout Constants */
    --max-width: 1200px;
    --header-height: 80px;
    --header-height-scrolled: 68px;
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 4px 12px -2px rgba(15, 23, 42, 0.04), 0 2px 6px -1px rgba(15, 23, 42, 0.02);
    --shadow-md: 0 12px 24px -4px rgba(15, 23, 42, 0.06), 0 4px 12px -2px rgba(15, 23, 42, 0.03);
    --shadow-lg: 0 20px 40px -8px rgba(15, 23, 42, 0.12), 0 8px 16px -4px rgba(15, 23, 42, 0.04);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height-scrolled);
}

body {
    font-family: var(--font-family);
    color: var(--color-text-dark);
    background-color: var(--color-light-bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--color-light-bg);
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Utilities */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.text-gradient {
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background-color: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 24px;
}

.pulsing-dot {
    width: 8px;
    height: 8px;
    background-color: #34d399; /* Green 400 */
    border-radius: 50%;
    margin-right: 8px;
    display: inline-block;
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(52, 211, 153, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(52, 211, 153, 0);
    }
}

.icon-sidebar {
    width: 14px;
    height: 14px;
    margin-right: 8px;
    display: inline-block;
    vertical-align: text-bottom;
}

.icon-stat {
    width: 12px;
    height: 12px;
    margin-right: 4px;
    display: inline-block;
    vertical-align: middle;
}

.icon-tech {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
    margin: 0 auto;
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    text-transform: uppercase;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 800;
    line-height: 1.25;
    color: var(--color-text-dark);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--color-text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 22px;
    font-size: 15px;
    font-weight: 700;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    border: none;
    outline: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-white);
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-white);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    background-color: rgba(59, 130, 246, 0.05);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 14px 30px;
    font-size: 16px;
    border-radius: var(--radius-md);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    align-items: center;
    background-color: var(--color-dark-bg); /* Solid rich dark blue */
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-normal);
    z-index: 1000;
}

.header.scrolled {
    height: var(--header-height-scrolled);
    background-color: var(--color-darker-bg); /* Solid ultra dark blue */
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon-container {
    background-color: #2563eb; /* Blue 600 */
    color: #ffffff;
    padding: 6px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.2);
    transition: transform var(--transition-fast);
}

.logo:hover .logo-icon-container {
    transform: scale(1.05);
}

.logo-icon-container svg {
    width: 22px;
    height: 22px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
}

.logo-text-note {
    color: var(--color-text-white);
}

.logo-text-base {
    color: #3b82f6; /* Blue 500 for vibrant contrast on dark */
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: color var(--transition-fast);
}

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

.header.scrolled .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

.header.scrolled .nav-link:hover {
    color: #60a5fa;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.menu-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-white);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 60px;
    background-color: var(--color-darker-bg);
    color: var(--color-text-white);
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, rgba(99, 102, 241, 0.05) 50%, transparent 100%);
    filter: blur(80px);
    z-index: 0;
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 620px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 56px;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 19px;
    line-height: 1.6;
    color: var(--color-text-light);
    margin-bottom: 36px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-footer-notes {
    display: flex;
    gap: 24px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-light);
}

.hero-footer-notes span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Hero Visual & Mockup */
.hero-visual {
    perspective: 1000px;
}

.mockup-frame {
    background-color: var(--color-dark-bg);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transform: rotateY(-10deg) rotateX(5deg);
    transition: transform var(--transition-normal);
}

.mockup-frame:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

.mockup-header {
    display: flex;
    align-items: center;
    padding: 14px 18px;
    background-color: var(--color-darker-bg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mockup-dots {
    display: flex;
    gap: 6px;
    margin-right: 20px;
}

.mockup-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.mockup-search {
    flex-grow: 1;
    max-width: 320px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    font-size: 12px;
    color: var(--color-text-light);
    text-align: center;
    padding: 4px 0;
}

.mockup-body {
    display: grid;
    grid-template-columns: 180px 1fr;
    height: 340px;
    font-size: 13px;
    background-color: #ffffff;
    color: var(--color-text-dark);
}

.mock-sidebar {
    background-color: #f8fafc;
    border-right: 1px solid var(--color-border);
    padding: 20px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mock-logo {
    font-family: var(--font-heading);
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.mock-nav-item {
    padding: 6px 10px;
    border-radius: 6px;
    font-weight: 600;
    color: var(--color-text-muted);
}

.mock-nav-item.active {
    background-color: rgba(59, 130, 246, 0.08);
    color: var(--color-primary);
}

.mock-divider {
    height: 1px;
    background-color: var(--color-border);
    margin: 10px 0;
}

.mock-section-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-light);
    margin-left: 10px;
}

.mock-nav-subitem {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 4px 10px;
}

.mock-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.mock-content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.mock-content-header h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--color-text-dark);
}

.mock-content-header p {
    font-size: 12px;
    color: var(--color-text-muted);
}

.mock-add-btn {
    font-size: 12px;
    font-weight: 700;
    color: #ffffff;
    background-color: var(--color-primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
}

.mock-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mock-card {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.mock-card-drag {
    color: #cbd5e1;
    font-size: 16px;
}

.mock-card h4 {
    font-size: 14px;
    font-weight: 700;
    flex-grow: 1;
    margin-left: 12px;
}

.mock-card-stats {
    display: flex;
    gap: 10px;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-primary);
}

.mock-card-stats span {
    background-color: rgba(59, 130, 246, 0.08);
    padding: 4px 8px;
    border-radius: 6px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: #cbd5e1;
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

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

.bg-blue-light { background-color: rgba(59, 130, 246, 0.1); color: var(--color-primary); }
.bg-indigo-light { background-color: rgba(99, 102, 241, 0.1); color: var(--color-accent); }
.bg-red-light { background-color: rgba(239, 68, 68, 0.1); color: var(--color-timer-focus); }
.bg-green-light { background-color: rgba(16, 185, 129, 0.1); color: var(--color-timer-short); }

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    color: var(--color-text-dark);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--color-text-muted);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.feature-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.feature-bullets li {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-bullets li::before {
    content: "✓";
    color: var(--color-primary);
    font-weight: 800;
}

/* Playground / Sandbox */
.playground-section {
    background-color: #f1f5f9;
}

.playground-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.sandbox-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.sandbox-card-header {
    margin-bottom: 12px;
}

.sandbox-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 6px;
    margin-bottom: 12px;
}

.red-badge { background-color: rgba(239, 68, 68, 0.1); color: var(--color-timer-focus); }
.blue-badge { background-color: rgba(59, 130, 246, 0.1); color: var(--color-primary); }
.orange-badge { background-color: rgba(245, 158, 11, 0.1); color: #f59e0b; }
.purple-badge { background-color: rgba(139, 92, 246, 0.1); color: #8b5cf6; }

.sandbox-card h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--color-text-dark);
}

.sandbox-box {
    background-color: var(--color-light-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    margin: 16px 0;
    height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.sandbox-desc {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* Sandbox: Pomodoro */
.pomodoro-timer-box {
    align-items: center;
    justify-content: center;
}

.timer-modes {
    display: flex;
    background-color: #e2e8f0;
    padding: 4px;
    border-radius: var(--radius-sm);
    gap: 4px;
    margin-bottom: 12px;
}

.timer-mode-btn {
    border: none;
    outline: none;
    background: transparent;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 700;
    color: var(--color-text-muted);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.timer-mode-btn.active {
    background-color: #ffffff;
    color: var(--color-timer-focus);
    box-shadow: var(--shadow-sm);
}

.timer-display {
    font-family: var(--font-heading);
    font-size: 52px;
    font-weight: 900;
    letter-spacing: -2px;
    color: var(--color-timer-focus);
    margin-bottom: 12px;
    transition: color var(--transition-fast);
    line-height: 1;
}

.timer-controls {
    display: flex;
    gap: 12px;
}

/* Sandbox: Todo & Checklist List */
.todo-box, .checklist-box {
    display: flex;
    flex-direction: column;
}

.todo-input-row {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.todo-input-row input {
    flex-grow: 1;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-family: var(--font-family);
    font-size: 14px;
    outline: none;
    transition: border var(--transition-fast);
}

.todo-input-row input:focus {
    border-color: var(--color-primary);
}

.todo-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
    overflow-y: auto;
    padding-right: 2px;
}

.todo-item {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    font-size: 13px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.todo-item-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    flex-grow: 1;
}

.todo-item-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.todo-text.completed {
    text-decoration: line-through;
    color: var(--color-text-light);
}

.todo-delete-btn {
    background: transparent;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    font-size: 14px;
    transition: color var(--transition-fast);
    padding: 0 4px;
}

.todo-delete-btn:hover {
    color: var(--color-timer-focus);
}

/* Sandbox: AI Chat Simulator */
.sandbox-chat-box {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.sandbox-chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 10px;
    padding-right: 4px;
}

.sandbox-msg {
    max-width: 85%;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.4;
}

.sandbox-msg.ai {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    color: var(--color-text-dark);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
}

.sandbox-msg.user {
    background-color: var(--color-accent);
    color: #ffffff;
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.sandbox-msg.loading {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    align-self: flex-start;
    color: var(--color-text-light);
    font-style: italic;
    padding: 6px 12px;
}

.sandbox-chips {
    display: flex;
    gap: 6px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.sandbox-chip {
    background-color: rgba(99, 102, 241, 0.08);
    color: var(--color-accent);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 20px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sandbox-chip:hover {
    background-color: var(--color-accent);
    color: #ffffff;
}

.sandbox-chat-input-row {
    display: flex;
    gap: 6px;
}

.sandbox-chat-input-row input {
    flex-grow: 1;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-family: var(--font-family);
    font-size: 13px;
    outline: none;
}

.sandbox-chat-input-row input:focus {
    border-color: var(--color-accent);
}

.icon-small {
    width: 14px;
    height: 14px;
    display: inline-block;
    vertical-align: middle;
    margin-right: 4px;
}

/* How It Works (Process) Section */
.process-section {
    background-color: var(--color-card-bg);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
    position: relative;
}

.process-card {
    background-color: var(--color-light-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    position: relative;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.process-card:hover {
    transform: translateY(-5px);
    border-color: #cbd5e1;
    box-shadow: var(--shadow-md);
}

.process-step-num {
    position: absolute;
    top: 24px;
    right: 24px;
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 900;
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.4) 0%, rgba(59, 130, 246, 0.1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    user-select: none;
}

.process-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(59, 130, 246, 0.08);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.process-icon .icon {
    width: 24px;
    height: 24px;
}

.process-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    color: var(--color-text-dark);
    margin-bottom: 12px;
}

.process-card p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

@media (min-width: 1025px) {
    .process-card:not(:last-child)::after {
        content: "→";
        position: absolute;
        top: 50px;
        right: -22px;
        font-size: 22px;
        font-weight: 800;
        color: var(--color-border);
        z-index: 2;
    }
}

/* Pricing Section */
.pricing-section {
    background-color: var(--color-light-bg);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: stretch;
    margin-top: 50px;
}

.pricing-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: #cbd5e1;
}

/* Free Tier Featured/Highlighted style */
.pricing-card.free-featured {
    border: 2px solid var(--color-primary);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.12);
    transform: translateY(-8px);
}

.pricing-card.free-featured:hover {
    box-shadow: 0 24px 48px rgba(59, 130, 246, 0.18);
    transform: translateY(-10px);
}

.pricing-featured-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: #ffffff;
    padding: 4px 14px;
    font-size: 11px;
    font-weight: 800;
    border-radius: 30px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    white-space: nowrap;
}

.pricing-card h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    color: var(--color-text-dark);
    margin-bottom: 16px;
}

.price-container {
    display: flex;
    align-items: baseline;
    margin-bottom: 12px;
}

.price-container .currency {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-right: 2px;
}

.price-container .price-amount {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 900;
    color: var(--color-text-dark);
    line-height: 1;
}

.price-container .price-period {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-left: 6px;
    font-weight: 600;
}

.plan-desc {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: 24px;
    min-height: 42px;
}

.pricing-divider {
    height: 1px;
    background-color: var(--color-border);
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 36px;
    flex-grow: 1;
}

.pricing-features li {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-dark);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.pricing-features li.disabled {
    color: var(--color-text-light);
}

.icon-pricing-check {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 3px;
}

.icon-pricing-cross {
    width: 16px;
    height: 16px;
    color: var(--color-text-light);
    flex-shrink: 0;
    margin-top: 3px;
}

.pricing-btn {
    width: 100%;
    text-align: center;
    justify-content: center;
}

.pricing-notice {
    text-align: center;
    margin-top: 40px;
    font-size: 13px;
    color: var(--color-text-muted);
    font-weight: 600;
}

/* Integrations / Tech Section */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.tech-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.tech-card:hover {
    transform: translateY(-2px);
    border-color: #cbd5e1;
    box-shadow: var(--shadow-md);
}

.tech-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.tech-card h4 {
    font-family: var(--font-heading);
    font-size: 17px;
    font-weight: 800;
    color: var(--color-text-dark);
    margin-bottom: 10px;
}

.tech-card p {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* CTA Section */
.cta-section {
    background-color: var(--color-darker-bg);
    color: var(--color-text-white);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 60%);
    filter: blur(60px);
    z-index: 0;
    pointer-events: none;
}

.cta-card {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-card h2 {
    font-family: var(--font-heading);
    font-size: 44px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
}

.cta-card p {
    font-size: 18px;
    color: var(--color-text-light);
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* Footer Styles */
.footer {
    background-color: #050914;
    color: var(--color-text-light);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-desc {
    font-size: 14px;
    color: #64748b;
    margin-top: 16px;
    max-width: 340px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-group h5 {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text-white);
    margin-bottom: 18px;
}

.footer-group a {
    display: block;
    color: #64748b;
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 10px;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    text-align: center;
    font-size: 13px;
    color: #64748b;
}

.author-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    transition: color var(--transition-fast);
}

.author-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Reveal on Scroll */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsiveness */
@media (max-width: 1024px) {
    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + 50px);
        padding-bottom: 80px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-footer-notes {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 650px;
        margin: 0 auto;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .playground-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 50px auto 0;
        gap: 30px;
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .playground-grid {
        grid-template-columns: 1fr;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--color-darker-bg);
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        flex-direction: column;
        padding: 40px 24px;
        gap: 24px;
        transition: left 0.3s ease;
        z-index: 999;
    }
    
    .nav-menu.open {
        left: 0;
    }
    
    .nav-link {
        font-size: 18px;
    }
    
    .btn-nav {
        width: 100%;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        gap: 20px;
    }
    
    .mockup-body {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .mock-sidebar {
        display: none; /* Hide sidebar in mobile mockup to save space */
    }
    
    .mock-content {
        padding: 16px;
    }
    
    .menu-toggle.open .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.open .bar:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.open .bar:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

@media (max-width: 480px) {
    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
        padding: 0 20px;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .timer-display {
        font-size: 44px;
    }
}