/* ===================================
   TaskMate - Modern CSS Design System
   =================================== */

/* Modern Design System */
:root {
    /* Brand Colors - Sophisticated Palette */
    --primary-50: #f0fdf4;
    --primary-100: #dcfce7;
    --primary-200: #bbf7d0;
    --primary-300: #86efac;
    --primary-400: #4ade80;
    --primary-500: #22c55e;
    --primary-600: #16a34a;
    --primary-700: #15803d;
    --primary-800: #166534;
    --primary-900: #14532d;
    --primary-950: #052e16;
    
    /* Accent Colors */
    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    --accent-orange: #f97316;
    --accent-pink: #ec4899;
    
    /* Neutral Colors */
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;
    --gray-950: #09090b;
    
    /* Semantic Colors */
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Typography Scale */
    --font-sans: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Inter', sans-serif;
    
    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.813rem);
    --text-sm: clamp(0.875rem, 0.825rem + 0.25vw, 0.938rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1.05rem + 0.375vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
    --text-3xl: clamp(1.875rem, 1.6rem + 1.375vw, 2.25rem);
    --text-4xl: clamp(2.25rem, 1.9rem + 1.75vw, 2.75rem);
    --text-5xl: clamp(2.75rem, 2.2rem + 2.75vw, 3.5rem);
    --text-6xl: clamp(3.25rem, 2.5rem + 3.75vw, 4.25rem);
    
    /* Spacing Scale */
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows - Layered for depth */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-2xl: 0 35px 60px -15px rgb(0 0 0 / 0.3);
    --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
    
    /* Animations */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index Scale */
    --z-0: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
    --z-60: 60;
    --z-70: 70;
    --z-80: 80;
    --z-90: 90;
    --z-100: 100;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-900);
    background: #ffffff;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    position: relative;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-4);
        max-width: calc(100vw - var(--space-8));
    }
}

@media (max-width: 425px) {
    .container {
        padding: 0 var(--space-3);
        max-width: calc(100vw - var(--space-6));
    }
}

@media (max-width: 320px) {
    .container {
        padding: 0 var(--space-2);
        max-width: calc(100vw - var(--space-4));
    }
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-8);
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--gray-900);
}

/* Prevent h2 line breaks */
h2 {
    white-space: nowrap;
}

@media (max-width: 768px) {
    h2 {
        white-space: normal;
        word-break: keep-all;
    }
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons - Modern Style */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-weight: 600;
    font-size: var(--text-base);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(34, 197, 94, 0.25);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(34, 197, 94, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: white;
    color: var(--gray-900);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

.btn-xl {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-xl);
    font-weight: 700;
}

/* レスポンシブ時のbtn-xlのサイズをbtn-lgに合わせる */
@media (max-width: 768px) {
    .btn-xl {
        padding: var(--space-4) var(--space-8);
        font-size: var(--text-lg);
    }
}

/* Header - Modern Glassmorphism */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-90);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition);
    will-change: transform;
}

.header-scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* Logo - Professional Design */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
}

.logo-image {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.03em;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.footer-logo-image {
    height: 48px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

/* Navigation */
.nav {
    display: none;
    align-items: center;
    gap: var(--space-2);
}

@media (min-width: 1024px) {
    .nav {
        display: flex;
    }
}

/* Mobile Navigation */
@media (max-width: 1023px) {
    .nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--space-6);
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--gray-200);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
    }
    
    .nav.nav-open {
        display: flex;
        transform: translateX(0);
    }
    
    .nav-link {
        padding: var(--space-4);
        width: 100%;
        text-align: center;
        border-bottom: 1px solid var(--gray-100);
    }
}

@media (max-width: 375px) {
    .nav {
        padding: var(--space-4);
    }
    
    .nav-link {
        padding: var(--space-3);
        font-size: var(--text-sm);
    }
}

.nav-link {
    padding: var(--space-2) var(--space-4);
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-radius: var(--radius);
}

.nav-link:hover {
    color: var(--primary-600);
    background: var(--primary-50);
}

/* Hero Section - Premium Design */
.hero {
    padding-top: calc(72px + var(--space-16));
    padding-bottom: var(--space-16);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

@media (max-width: 768px) {
    .hero-content {
        max-width: 100%;
        padding: 0 var(--space-4);
    }
}

@media (max-width: 425px) {
    .hero-content {
        padding: 0 var(--space-2);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-6);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.hero-badge i {
    color: var(--primary-600);
}

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.03em;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: calc(var(--text-3xl) - 3px);
        line-height: 1.3;
        word-spacing: 0.1em;
    }
}

@media (max-width: 425px) {
    .hero-title {
        font-size: calc(var(--text-2xl) - 3px);
        line-height: 1.4;
    }
}

@media (max-width: 375px) {
    .hero-title {
        font-size: calc(var(--text-xl) - 3px);
        line-height: 1.4;
    }
}

@media (max-width: 320px) {
    .hero-title {
        font-size: calc(var(--text-xl) - 3px);
        line-height: 1.3;
        word-spacing: 0.05em;
    }
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-10);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
    .hero-subtitle {
        font-size: var(--text-sm);
        line-height: 1.6;
        max-width: 90%;
    }
}

@media (max-width: 425px) {
    .hero-subtitle {
        font-size: var(--text-xs);
        line-height: 1.6;
        max-width: 95%;
    }
}

@media (max-width: 375px) {
    .hero-subtitle {
        font-size: var(--text-xs);
        line-height: 1.6;
    }
}

@media (max-width: 320px) {
    .hero-subtitle {
        font-size: calc(var(--text-xs) - 0.1rem);
        line-height: 1.6;
        max-width: 98%;
    }
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-10);
}

/* Social Proof */
.social-proof {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.social-proof-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-proof-item i {
    color: var(--primary-600);
    font-size: 1.25rem;
}

/* Hero Visual - Dashboard Preview */
.hero-visual {
    margin-top: var(--space-16);
    position: relative;
}

.dashboard-preview {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.dashboard-header {
    background: var(--gray-50);
    padding: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    border-bottom: 1px solid var(--gray-200);
}

.dashboard-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-300);
}

.dashboard-dot:first-child {
    background: #ef4444;
}

.dashboard-dot:nth-child(2) {
    background: #f59e0b;
}

.dashboard-dot:nth-child(3) {
    background: #22c55e;
}

/* Stats Section */
.stats {
    padding: var(--space-20) 0;
    background: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
}

.stat-card {
    text-align: center;
    padding: var(--space-8);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition);
    backdrop-filter: blur(10px);
}

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

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-500) 0%, var(--accent-purple) 100%);
}

.stat-number {
    font-size: var(--text-5xl);
    font-weight: 900;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--text-lg);
    color: var(--gray-600);
    margin-bottom: var(--space-2);
}

.stat-description {
    font-size: var(--text-sm);
    color: var(--gray-500);
}

/* Features Section */
.features {
    padding: var(--space-20) 0;
    background: var(--gray-50);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-16);
}

.section-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

@media (max-width: 768px) {
    .section-badge {
        font-size: calc(var(--text-xs) - 0.1rem);
        padding: var(--space-1) var(--space-2);
        white-space: nowrap;
    }
}

@media (max-width: 425px) {
    .section-badge {
        font-size: calc(var(--text-xs) - 0.15rem);
        padding: 3px 6px;
    }
}

@media (max-width: 375px) {
    .section-badge {
        font-size: calc(var(--text-xs) - 0.2rem);
        padding: 2px 4px;
    }
}

@media (max-width: 320px) {
    .section-badge {
        font-size: calc(var(--text-xs) - 0.25rem);
        padding: 1px 2px;
    }
}

.section-title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

@media (min-width: 1024px) {
    .section-title {
        white-space: nowrap;
        word-wrap: normal;
        overflow-wrap: normal;
        hyphens: none;
    }
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--gray-600);
    line-height: 1.7;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.feature-card {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-100) 0%, var(--primary-200) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    transition: all var(--transition);
}

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

.feature-icon i {
    font-size: 28px;
    color: var(--primary-700);
}

.feature-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    color: var(--gray-700);
}

.feature-list i {
    color: var(--primary-600);
    margin-top: 2px;
}

/* How it Works */
.process {
    padding: var(--space-20) 0;
    background: white;
}

.process-timeline {
    display: grid;
    gap: var(--space-8);
    position: relative;
}

/* Desktop: 4 columns in a row */
@media (min-width: 1024px) {
    .process-timeline {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .process-timeline::before {
        content: '';
        position: absolute;
        top: 40px;
        left: 80px;
        right: 80px;
        height: 2px;
        background: linear-gradient(90deg, var(--primary-200) 0%, var(--primary-500) 50%, var(--primary-200) 100%);
        z-index: 0;
    }
}

/* Tablet and below: single column */
@media (max-width: 1023px) {
    .process-timeline {
        grid-template-columns: 1fr;
    }
}

.process-step {
    text-align: center;
    position: relative;
}

/* Arrow between steps - only on desktop */
@media (min-width: 1024px) {
    .process-step:not(:last-child)::after {
        content: '';
        position: absolute;
        top: 30px;
        right: -20px;
        width: 30px;
        height: 30px;
        background: transparent;
        border-top: 3px solid var(--primary-500);
        border-right: 3px solid var(--primary-500);
        transform: rotate(45deg);
        z-index: 2;
    }
}

.process-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-3xl);
    font-weight: 900;
    margin: 0 auto var(--space-6);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
    transition: all var(--transition);
    flex-shrink: 0;
}

.process-step:hover .process-number {
    transform: scale(1.1);
    box-shadow: 0 0 0 8px rgba(34, 197, 94, 0.1);
}

/* Tablet and Mobile - simple vertical layout */
@media (max-width: 1023px) {
    .process-timeline {
        position: relative;
    }
    
    .process-number {
        margin: 0 auto var(--space-6);
    }
    
    .process-step {
        text-align: center;
        margin-bottom: var(--space-12);
        padding: 0 var(--space-4);
    }
    
    .process-step:not(:last-child)::after {
        display: none;
    }
}

.process-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.process-description {
    color: var(--gray-600);
    line-height: 1.7;
}

/* AI Section */
.ai-section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

@media (max-width: 1024px) {
    .ai-section-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
}

.ai-feature-item {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.ai-feature-icon {
    min-width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
}

.ai-code-showcase {
    background: var(--gray-900);
    color: white;
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-6);
}

.line-mockup {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
}

.line-header {
    background: #00B900;
    padding: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.line-chat {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.chat-message {
    padding: var(--space-3) var(--space-4);
    max-width: 80%;
}

.chat-message-user {
    align-self: flex-end;
    background: var(--primary-500);
    color: white;
    border-radius: 18px 18px 4px 18px;
}

.chat-message-bot {
    align-self: flex-start;
    background: var(--gray-100);
    border-radius: 18px 18px 18px 4px;
    font-family: monospace;
    font-size: var(--text-xs);
}

/* Pricing Section */
.pricing {
    padding: var(--space-20) 0;
    background: var(--gray-50);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
}

/* Enterprise plan full width on desktop */
@media (min-width: 1024px) {
    .pricing-card.enterprise {
        grid-column: 1 / -1;
        display: flex;
        flex-direction: row;
        align-items: center;
        max-width: none;
    }
    
    .pricing-card.enterprise .pricing-header {
        flex: 0 0 300px;
        border-right: 1px solid var(--gray-200);
        border-bottom: none;
        margin-bottom: 0;
        padding-right: var(--space-8);
    }
    
    .pricing-card.enterprise .pricing-features {
        flex: 1;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--space-2);
        padding: 0 var(--space-8);
        margin-bottom: 0;
    }
    
    .pricing-card.enterprise a {
        flex: 0 0 200px;
        margin-left: auto;
    }
}

.pricing-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow);
    position: relative;
    transition: all var(--transition);
}

.pricing-card.featured {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
    border: 2px solid var(--primary-500);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-600);
    color: white;
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 700;
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: var(--space-6);
}

.pricing-name {
    font-size: var(--text-xl);
    color: var(--gray-600);
    margin-bottom: var(--space-4);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-1);
}

.pricing-currency {
    font-size: var(--text-xl);
    color: var(--gray-500);
}

.pricing-amount {
    font-size: var(--text-5xl);
    font-weight: 900;
    color: var(--gray-900);
}

.pricing-period {
    font-size: var(--text-lg);
    color: var(--gray-500);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-8);
}

.pricing-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--gray-100);
}

.pricing-feature:last-child {
    border-bottom: none;
}

.pricing-feature i {
    color: var(--primary-600);
    font-size: 1.25rem;
    margin-top: 2px;
}

/* Testimonials */
.testimonials {
    padding: var(--space-20) 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
}

@media (min-width: 1024px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.testimonial-card {
    background: var(--gray-50);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    position: relative;
}

.testimonial-content {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: var(--space-6);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gray-300);
    overflow: hidden;
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-info {
    flex: 1;
}

.testimonial-name {
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-1);
}

.testimonial-role {
    font-size: var(--text-sm);
    color: var(--gray-600);
}

.testimonial-rating {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
}

.testimonial-rating i {
    color: var(--warning);
}

/* CTA Section */
.cta {
    padding: var(--space-32) 0;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(1.5rem, 5vw, var(--text-3xl));
    margin-bottom: var(--space-4);
    color: white;
    line-height: 1.2;
}

@media (max-width: 768px) {
    .cta-title {
        font-size: var(--text-xl);
        white-space: nowrap;
    }
}

@media (max-width: 425px) {
    .cta-title {
        font-size: var(--text-lg);
    }
}

@media (max-width: 375px) {
    .cta-title {
        font-size: var(--text-base);
    }
}

@media (max-width: 320px) {
    .cta-title {
        font-size: var(--text-base);
    }
}

.cta-subtitle {
    font-size: var(--text-xl);
    margin-bottom: var(--space-10);
    opacity: 0.9;
}

@media (max-width: 768px) {
    .cta-subtitle {
        font-size: var(--text-sm);
        line-height: 1.6;
        max-width: 90%;
        margin-left: auto;
        margin-right: auto;
        white-space: nowrap;
    }
}

@media (max-width: 425px) {
    .cta-subtitle {
        font-size: var(--text-xs);
        max-width: 95%;
    }
}

@media (max-width: 375px) {
    .cta-subtitle {
        font-size: calc(var(--text-xs) - 0.1rem);
        max-width: 98%;
    }
}

@media (max-width: 320px) {
    .cta-subtitle {
        font-size: calc(var(--text-xs) - 0.2rem);
        max-width: 100%;
        padding: 0 var(--space-2);
    }
}

.cta-form {
    display: flex;
    gap: var(--space-4);
    max-width: 600px;
    margin: 0 auto;
    flex-wrap: wrap;
    justify-content: center;
}

.cta-input {
    flex: 1;
    min-width: 250px;
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    font-size: var(--text-base);
    background: white;
    color: var(--gray-900);
}

.cta-input:focus {
    outline: none;
    border-color: var(--primary-300);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer-description {
    color: var(--gray-400);
    line-height: 1.7;
}

.footer-section h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-4);
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-copyright {
    color: var(--gray-400);
    font-size: var(--text-sm);
}

.footer-social {
    display: flex;
    gap: var(--space-4);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary-600);
    color: white;
}

/* Trust Badges */
.trust-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    padding: var(--space-16) 0;
    background: white;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .trust-badges {
        gap: var(--space-6);
        padding: var(--space-12) 0;
    }
}

.trust-badge-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    text-align: center;
}

.trust-badge-icon {
    width: 80px;
    height: 80px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.trust-badge-icon i {
    font-size: 36px;
    color: white;
}

.trust-badge-icon::after {
    content: '✓';
    position: absolute;
    bottom: -4px;
    right: -4px;
    width: 28px;
    height: 28px;
    background: var(--primary-600);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    box-shadow: var(--shadow);
}

.trust-badge-label {
    font-weight: 700;
    color: var(--gray-900);
}

.trust-badge-sublabel {
    font-size: var(--text-sm);
    color: var(--gray-600);
}

/* Demo Section Styles */
.demo-section {
    padding: var(--space-24) 0;
    background: linear-gradient(180deg, #ffffff 0%, var(--gray-50) 100%);
}

.demo-container {
    margin-top: var(--space-12);
}

.demo-browser {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.demo-browser-header {
    background: linear-gradient(135deg, var(--gray-100), var(--gray-50));
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.demo-browser-dots {
    display: flex;
    gap: var(--space-2);
}

.demo-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    opacity: 0.8;
}

.demo-browser-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-weight: 600;
    color: var(--gray-700);
    font-size: var(--text-sm);
}

.demo-fullscreen-btn {
    background: transparent;
    border: none;
    color: var(--gray-600);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius);
    transition: all var(--transition-fast);
}

.demo-fullscreen-btn:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.demo-iframe-wrapper {
    position: relative;
    width: 100%;
    height: 600px;
    background: var(--gray-50);
}

#demo-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.demo-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 1;
}

.demo-iframe-wrapper.loaded .demo-loading {
    display: none;
}

.demo-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.demo-feature-card {
    background: white;
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: all var(--transition);
}

.demo-feature-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-300);
}

.demo-feature-card h4 {
    margin: var(--space-3) 0 var(--space-2) 0;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--gray-900);
}

.demo-feature-card p {
    color: var(--gray-600);
    font-size: var(--text-sm);
    margin: 0;
}

.demo-cta {
    margin-top: var(--space-12);
}

/* Demo Tabs */
.demo-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    background: white;
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
}

.demo-tab {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: transparent;
    border: 2px solid transparent;
    border-radius: var(--radius);
    color: var(--gray-600);
    font-weight: 600;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.demo-tab:hover {
    background: var(--gray-50);
    color: var(--gray-900);
}

.demo-tab.active {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    border-color: var(--primary-600);
}

.demo-tab i {
    font-size: 1rem;
}

/* Demo Content Wrapper */
.demo-content-wrapper {
    position: relative;
}

.demo-content-wrapper.split-view {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.demo-content-wrapper.split-view .demo-browser {
    margin: 0;
}

.demo-content-wrapper.split-view .demo-iframe-wrapper {
    height: 500px;
}

/* Spreadsheet specific styling - 2x zoom */
#sheet-view .demo-iframe-wrapper {
    overflow: auto;
    position: relative;
    -webkit-overflow-scrolling: touch;
}

#sheet-iframe {
    width: 200%;
    height: 200%;
    transform: scale(0.5);
    transform-origin: 0 0;
}

/* Split view adjustments for spreadsheet zoom */
.demo-content-wrapper.split-view #sheet-iframe {
    width: 200%;
    height: 200%;
    transform: scale(0.5);
    transform-origin: 0 0;
}

/* Demo App iframe scrolling improvements */
#demo-iframe {
    overflow: auto;
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
}

/* Enable horizontal scrolling for demo content on mobile */
.demo-iframe-wrapper {
    overflow: auto;
    -webkit-overflow-scrolling: touch;
}

/* Ensure demo content is scrollable in both directions */
@media (max-width: 1024px) {
    #demo-iframe {
        min-width: 100%;
        overflow: auto;
    }
    
    .demo-iframe-wrapper {
        overflow: auto;
        position: relative;
    }
}

@media (max-width: 768px) {
    /* Make demo iframe scrollable */
    .demo-iframe-wrapper {
        overflow: auto;
        -webkit-overflow-scrolling: touch;
        position: relative;
    }
    
    #demo-iframe,
    #sheet-iframe {
        min-width: 768px; /* Maintain minimum width for readability */
        overflow: auto;
    }
}

@media (max-width: 480px) {
    #demo-iframe,
    #sheet-iframe {
        min-width: 600px; /* Even on small screens, maintain readable width */
    }
}

/* Integration Info */
.demo-integration-info {
    margin-top: var(--space-8);
    padding: var(--space-6);
    background: linear-gradient(135deg, #f0fdf4 0%, #bbf7d0 25%, #86efac 50%, #bbf7d0 75%, #f0fdf4 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    gap: var(--space-6);
    box-shadow: 0 10px 30px rgba(34, 197, 94, 0.1);
}

.integration-arrow {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    flex-shrink: 0;
}

.integration-arrow i {
    font-size: 2rem;
    color: var(--primary-600);
}

.integration-text h4 {
    margin: 0 0 var(--space-2) 0;
    font-size: var(--text-xl);
    color: var(--gray-900);
}

.integration-text p {
    margin: 0;
    color: var(--gray-700);
    line-height: 1.6;
}

/* Fullscreen Demo */
.demo-browser.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    border-radius: 0;
    margin: 0;
}

.demo-browser.fullscreen .demo-iframe-wrapper {
    height: calc(100vh - 60px);
}

/* Responsive adjustments for all screen sizes */
@media (max-width: 1400px) {
    .demo-content-wrapper.split-view {
        gap: var(--space-3);
    }
    
    .demo-content-wrapper.split-view .demo-iframe-wrapper {
        height: 450px;
    }
}

@media (max-width: 1200px) {
    .demo-iframe-wrapper {
        height: 550px;
    }
    
    .demo-content-wrapper.split-view .demo-iframe-wrapper {
        height: 420px;
    }
    
    .demo-tabs {
        gap: var(--space-1);
        padding: var(--space-2);
    }
    
    .demo-tab {
        padding: var(--space-2) var(--space-4);
        font-size: calc(var(--text-sm) * 0.95);
    }
}

@media (max-width: 1024px) {
    .demo-content-wrapper.split-view {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .demo-content-wrapper.split-view .demo-iframe-wrapper {
        height: 500px;
    }
    
    .demo-browser-title {
        font-size: var(--text-xs);
    }
}

@media (max-width: 768px) {
    .demo-iframe-wrapper {
        height: 450px;
    }
    
    .demo-browser-title {
        display: none;
    }
    
    .demo-features {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .demo-tabs {
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .demo-tab {
        width: 100%;
        justify-content: center;
        padding: var(--space-3) var(--space-4);
    }
    
    .demo-content-wrapper.split-view {
        grid-template-columns: 1fr;
    }
    
    .demo-content-wrapper.split-view .demo-iframe-wrapper {
        height: 400px;
    }
    
    .demo-integration-info {
        flex-direction: column;
        text-align: center;
        padding: var(--space-4);
    }
    
    .integration-arrow {
        width: 60px;
        height: 60px;
    }
    
    .integration-arrow i {
        font-size: 1.5rem;
    }
}

@media (max-width: 640px) {
    .demo-iframe-wrapper {
        height: 400px;
    }
    
    .demo-content-wrapper.split-view .demo-iframe-wrapper {
        height: 350px;
    }
    
    .demo-tab span {
        font-size: var(--text-xs);
    }
    
    .demo-tab i {
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .demo-iframe-wrapper {
        height: 350px;
    }
    
    .demo-content-wrapper.split-view .demo-iframe-wrapper {
        height: 300px;
    }
    
    .demo-browser-header {
        padding: var(--space-3) var(--space-4);
    }
    
    .demo-fullscreen-btn {
        padding: var(--space-1);
    }
    
    .demo-features {
        gap: var(--space-3);
    }
    
    .demo-feature-card {
        padding: var(--space-4);
    }
}

@media (max-width: 375px) {
    .demo-iframe-wrapper {
        height: 300px;
    }
    
    .demo-content-wrapper.split-view .demo-iframe-wrapper {
        height: 280px;
    }
    
    .demo-tab {
        padding: var(--space-2) var(--space-3);
    }
    
    .integration-text h4 {
        font-size: var(--text-lg);
    }
    
    .integration-text p {
        font-size: var(--text-sm);
    }
}

/* Floating CTA */
.floating-cta {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    background: linear-gradient(135deg, #00B900, #009900);
    color: white;
    padding: 0;
    border-radius: 50%;
    box-shadow: 0 10px 30px rgba(0, 180, 0, 0.3);
    cursor: pointer;
    transition: all var(--transition);
    z-index: 1000;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-cta:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 40px rgba(0, 180, 0, 0.4);
}

.floating-cta-tooltip {
    position: absolute;
    right: 80px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--gray-900);
    color: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius);
    white-space: nowrap;
    font-size: var(--text-sm);
    font-weight: 600;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-fast);
}

.floating-cta:hover .floating-cta-tooltip {
    opacity: 1;
    right: 90px;
}

@media (max-width: 768px) {
    .floating-cta {
        bottom: var(--space-6);
        right: var(--space-6);
        width: 56px;
        height: 56px;
    }
    
    .floating-cta i {
        font-size: 24px !important;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* Fade In Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1000;
}

@media (min-width: 1024px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn span {
    width: 100%;
    height: 2px;
    background: var(--gray-900);
    transition: all var(--transition-fast);
    border-radius: 1px;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Responsive - Legacy section removed to prevent conflicts */

@media (max-width: 425px) {
    .section-title {
        font-size: var(--text-lg);
        line-height: 1.5;
    }
    
    .testimonials .section-title,
    .faq .section-title,
    .pricing .section-title {
        font-size: var(--text-base);
    }
    
    .container {
        padding: 0 var(--space-4);
    }
    
    .section {
        padding: var(--space-12) 0;
    }
}

@media (max-width: 375px) {
    .section-title {
        font-size: var(--text-base);
        line-height: 1.5;
    }
    
    .testimonials .section-title,
    .faq .section-title,
    .pricing .section-title {
        font-size: var(--text-sm);
    }
}

@media (max-width: 320px) {
    .section-title {
        font-size: var(--text-base);
        line-height: 1.6;
        word-spacing: 0.05em;
    }
    
    .testimonials .section-title,
    .faq .section-title,
    .pricing .section-title {
        font-size: var(--text-sm);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}
/* Mobile viewport fixes */
@media (max-width: 768px) {
    *, *::before, *::after {
        max-width: 100vw !important;
        box-sizing: border-box;
    }
    
    .hero-title,
    .hero-subtitle,
    .section-title {
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
        max-width: 100%;
    }
    
    .hero,
    .container,
    .hero-content {
        overflow-x: hidden;
        max-width: 100%;
    }
}