/* ========================================
   affistant - LP Styles
   ブランドカラー: Electric Indigo #5D5CF0, Cyan #00C7E8
   ======================================== */

/* ========================================
   CSS Variables (Design Tokens)
   ======================================== */
:root {
    /* Colors */
    --color-primary: #5D5CF0;
    --color-primary-dark: #4a49c7;
    --color-accent: #00C7E8;
    --color-white: #FFFFFF;
    --color-bg-sub: #E6E9EF;
    --color-text-main: #111827;
    --color-text-sub: #6B7280;
    --color-border: #E5E7EB;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
    --spacing-3xl: 40px;
    --spacing-4xl: 60px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Container */
    --container-max-width: 1200px;
    
    /* Transitions */
    --transition-base: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    color: var(--color-text-main);
    line-height: 1.6;
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow-x: hidden;
}

/* Background Decorative Circles */
.bg-decoration {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.06;
    transition: transform 0.1s linear;
}

.bg-circle-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #5D5CF0, transparent);
    top: 20%;
    left: 10%;
}

.bg-circle-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #00C7E8, transparent);
    top: 50%;
    right: 15%;
}

.bg-circle-3 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #5D5CF0, transparent);
    bottom: 10%;
    left: 5%;
}

.bg-circle-4 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, #00C7E8, transparent);
    top: 70%;
    right: 10%;
}

main {
    position: relative;
    z-index: 1;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
}

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

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-main);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

p {
    margin-bottom: 8px;
}

/* ========================================
   Container & Layout
   ======================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 12px;
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-sub);
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   Buttons
   ======================================== */
.btn-primary,
.btn-secondary,
.btn-text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    transition: var(--transition-base);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(93, 92, 240, 0.3);
}

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

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

.btn-text {
    background: transparent;
    color: var(--color-primary);
    padding: 12px 16px;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
}

.btn-text:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1rem;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.logo-subtitle {
    font-size: 0.625rem;
    color: var(--color-text-sub);
    margin-top: 4px;
    font-weight: 400;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-menu a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-main);
    padding: 8px 12px;
}

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

.header-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-main);
    transition: var(--transition-base);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    background: var(--color-white);
    padding-top: calc(60px + 80px);
    padding-bottom: 60px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-text {
    z-index: 2;
}

.hero-label {
    display: inline-block;
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 12px;
    color: var(--color-text-main);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-sub);
    margin-bottom: 16px;
    line-height: 1.7;
}

.hero-benefits {
    margin-bottom: 24px;
}

.hero-benefits li {
    font-size: 1rem;
    color: var(--color-text-main);
    margin-bottom: 8px;
    padding-left: 16px;
    position: relative;
    line-height: 1.6;
}

.hero-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.hero-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    z-index: 2;
}

/* Dashboard Mockup */
.dashboard-mockup {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.mockup-header {
    background: var(--color-bg-sub);
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

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

.mockup-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border);
}

.mockup-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-sub);
}

.mockup-content {
    display: flex;
    min-height: 400px;
}

.mockup-sidebar {
    width: 180px;
    background: var(--color-bg-sub);
    padding: var(--spacing-md);
    border-right: 1px solid var(--color-border);
}

.sidebar-item {
    padding: 10px 12px;
    font-size: 0.875rem;
    color: var(--color-text-sub);
    border-radius: var(--radius-sm);
    margin-bottom: 4px;
    cursor: pointer;
    transition: var(--transition-base);
}

.sidebar-item:hover {
    background: rgba(93, 92, 240, 0.1);
}

.sidebar-item.active {
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
}

.mockup-main {
    flex: 1;
    padding: var(--spacing-md);
}

.mockup-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.stat-card {
    background: var(--color-bg-sub);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-align: center;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-sub);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.mockup-table {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.table-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-sm);
    padding: 12px var(--spacing-sm);
    font-size: 0.875rem;
    border-bottom: 1px solid var(--color-border);
}

.table-row:last-child {
    border-bottom: none;
}

.table-row.header {
    background: var(--color-bg-sub);
    font-weight: 600;
    color: var(--color-text-main);
}

.table-row span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Hero Background Shapes */
.hero-bg-shapes {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    top: -100px;
    right: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--color-accent);
    bottom: 50px;
    right: 100px;
}

/* ========================================
   Pain Points Section
   ======================================== */
.pain-points {
    background: var(--color-bg-sub);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.pain-card {
    background: var(--color-white);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-primary);
    transition: var(--transition-base);
    box-shadow: none;
    display: flex;
    flex-direction: column;
}

.pain-card:hover {
    transform: translateY(0);
    background: #F5F6F8;
    box-shadow: none;
}

.pain-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    color: var(--color-primary);
    flex-shrink: 0;
}

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

.pain-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text-main);
    min-height: 3em;
}

.pain-text {
    font-size: 1rem;
    color: var(--color-text-sub);
    line-height: 1.6;
    flex-grow: 1;
    display: flex;
    align-items: center;
}

/* ========================================
   Solution Section
   ======================================== */
.solution {
    background: var(--color-white);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.solution-card {
    background: var(--color-bg-sub);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    transition: var(--transition-base);
}

.solution-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.solution-number {
    display: inline-block;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.solution-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text-main);
}

.solution-text {
    font-size: 1rem;
    color: var(--color-text-sub);
    line-height: 1.6;
}

/* ========================================
   Core Functions Section
   ======================================== */
.core-functions {
    background: var(--color-bg-sub);
}

.functions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.function-card {
    background: var(--color-white);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-primary);
    transition: var(--transition-base);
    box-shadow: none;
}

.function-card:hover {
    background: #F5F6F8;
    transform: translateY(0);
    box-shadow: none;
}

.function-label {
    display: inline-block;
    padding: 6px 12px;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.function-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text-main);
}

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

.function-list li {
    font-size: 1rem;
    color: var(--color-text-sub);
    margin-bottom: 8px;
    padding-left: 12px;
    position: relative;
    line-height: 1.6;
}

.function-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

/* ========================================
   Use Cases Section
   ======================================== */
.use-cases {
    background: var(--color-white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.case-card {
    background: var(--color-bg-sub);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    transition: var(--transition-base);
}

.case-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.case-label {
    display: inline-block;
    padding: 6px 12px;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--color-text-main);
}

.case-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-sub);
    margin-bottom: 12px;
    font-weight: 500;
}

.case-text {
    font-size: 1rem;
    color: var(--color-text-sub);
    line-height: 1.6;
}

/* ========================================
   Target Section
   ======================================== */
.target {
    background: var(--color-bg-sub);
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.target-card {
    background: var(--color-white);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-primary);
    text-align: center;
    transition: var(--transition-base);
    box-shadow: none;
}

.target-card:hover {
    transform: translateY(0);
    background: #F5F6F8;
    border-color: var(--color-primary);
    box-shadow: none;
}

.target-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    color: var(--color-primary);
}

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

.target-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text-main);
}

.target-text {
    font-size: 14px;
    color: var(--color-text-sub);
    line-height: 1.6;
}

/* ========================================
   Benefits Section
   ======================================== */
.benefits {
    background: var(--color-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.benefit-card {
    background: var(--color-bg-sub);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    transition: var(--transition-base);
    position: relative;
}

.benefit-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.benefit-number {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(93, 92, 240, 0.25);
    line-height: 1;
}

.benefit-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text-main);
}

.benefit-text {
    font-size: 1rem;
    color: var(--color-text-sub);
    line-height: 1.6;
}

/* ========================================
   Flow Section
   ======================================== */
.flow {
    background: var(--color-bg-sub);
}

.flow-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: nowrap;
}

.flow-step {
    background: var(--color-white);
    padding: 8px;
    border-radius: var(--radius-lg);
    text-align: center;
    min-width: 180px;
    width: 180px;
    height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 0 0 180px;
    border: 2px solid var(--color-border);
    transition: var(--transition-base);
}

.flow-step:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 6px;
}

.step-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-main);
    line-height: 1.4;
}

.flow-arrow {
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 700;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    background: var(--color-white);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition-base);
}

.faq-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-main);
    text-align: left;
    cursor: pointer;
    transition: var(--transition-base);
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-primary);
    transition: var(--transition-base);
    flex-shrink: 0;
    margin-left: 12px;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

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

.faq-answer p {
    padding: 0 16px 16px;
    font-size: 1rem;
    color: var(--color-text-sub);
    line-height: 1.7;
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    align-items: stretch;
}

.pricing-card {
    background: var(--color-white);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-border);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(93, 92, 240, 0.15);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--color-text-sub);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    align-self: flex-start;
}

.pricing-badge.popular {
    background: var(--color-primary);
}

.pricing-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text-main);
}

.pricing-price {
    margin-bottom: 12px;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
}

.price-period {
    font-size: 1rem;
    color: var(--color-text-sub);
    font-weight: 500;
}

.pricing-description {
    font-size: 1rem;
    color: var(--color-text-sub);
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.pricing-features {
    list-style: none;
    margin-bottom: 24px;
    flex-grow: 1;
}

.pricing-features li {
    font-size: 0.9375rem;
    color: var(--color-text-main);
    margin-bottom: 8px;
    padding-left: 12px;
    position: relative;
    line-height: 1.6;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.btn-block {
    width: 100%;
    text-align: center;
}

.pricing-notes {
    max-width: 800px;
    margin: 40px auto 0;
    padding: 24px;
    background: var(--color-bg-sub);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

/* ========================================
   Side Slide-in CTA
   ======================================== */
.side-cta {
    position: fixed;
    right: 16px;
    bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999;
    transform: translateX(calc(100% + 20px));
    transition: transform 220ms ease-out;
    pointer-events: none;
}

.side-cta.visible {
    transform: translateX(0);
    pointer-events: auto;
}

.side-cta-btn {
    width: 180px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    font-weight: 700;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.side-cta-primary {
    background: #5D5CF0;
    color: #FFFFFF;
    border: 2px solid #5D5CF0;
}

.side-cta-primary:hover {
    background: #4a49c7;
    border-color: #4a49c7;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(93, 92, 240, 0.3);
}

.side-cta-secondary {
    background: #FFFFFF;
    color: #5D5CF0;
    border: 2px solid #5D5CF0;
}

.side-cta-secondary:hover {
    background: #5D5CF0;
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(93, 92, 240, 0.3);
}

/* ========================================
   Closing Section
   ======================================== */
.closing {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-white);
    text-align: center;
}

.closing-content {
    max-width: 800px;
    margin: 0 auto;
}

.closing-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 12px;
    line-height: 1.3;
}

.closing-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 24px;
    line-height: 1.6;
}

.closing-cta {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.closing .btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.closing .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.closing .btn-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.closing .btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-text-main);
    color: var(--color-white);
    padding: 40px 0 16px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 24px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

.footer-company,
.footer-website,
.footer-email {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xs);
}

.footer-website a,
.footer-email a {
    color: var(--color-accent);
    text-decoration: underline;
}

.footer-website a:hover,
.footer-email a:hover {
    color: var(--color-white);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-base);
}

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

.footer-copyright {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet */
@media (max-width: 992px) {
    :root {
        --spacing-4xl: 80px;
        --spacing-3xl: 64px;
        --spacing-2xl: 48px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .pain-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-grid {
        grid-template-columns: 1fr;
    }
    
    .functions-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .target-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }
    
    .pricing-packages {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .flow-steps {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-cta .btn-text {
        display: none;
    }
}

/* Mobile */
@media (max-width: 640px) {
    :root {
        --spacing-4xl: 64px;
        --spacing-3xl: 48px;
        --spacing-2xl: 32px;
        --spacing-xl: 32px;
        --spacing-lg: 24px;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-3xl) 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-description {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn-large {
        width: 100%;
    }
    
    .closing-title {
        font-size: 1.75rem;
    }
    
    .closing-subtitle {
        font-size: 1rem;
    }
    
    .closing-cta {
        flex-direction: column;
    }
    
    .closing-cta .btn-large {
        width: 100%;
    }
    
    .target-grid {
        grid-template-columns: 1fr;
    }
    
    .mockup-content {
        flex-direction: column;
        min-height: auto;
    }
    
    .mockup-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }
    
    .mockup-stats {
        grid-template-columns: 1fr;
    }
    
    .table-row {
        grid-template-columns: 1fr;
        gap: 4px;
    }
    
    .flow-step {
        min-width: 150px;
    }
    
    .floating-cta-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .btn-floating {
        width: 100%;
        min-width: auto;
    }
    
    .header-logo .logo-subtitle {
        display: none;
    }
}