/**
 * PrimeLink Landing Page
 * Version: 1.0.0
 */

:root {
    --primary-color: #422FC5;
    --primary-dark: #3525A0;
    --primary-light: #5A47D9;
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --text-light: #a1a1a6;
    --bg-primary: #ffffff;
    --bg-secondary: #fbfbfd;
    --bg-gradient: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.9);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.15);
    --border-radius: 18px;
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;
    --spacing-xxl: 120px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.47059;
    font-weight: 400;
    letter-spacing: -0.022em;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 24px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 48px;
    }
}

@media (min-width: 1068px) {
    .container {
        padding: 0 64px;
    }
}

@media (min-width: 1440px) {
    .container {
        padding: 0 80px;
    }
}

/* Glass Morphism - Apple Style */
.glass {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
}

.glass:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(251, 251, 253, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 0.5px solid rgba(0, 0, 0, 0.1);
    padding: 12px 0;
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    transition: var(--transition);
}

@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        background: rgba(251, 251, 253, 0.98);
        backdrop-filter: saturate(180%) blur(20px);
        -webkit-backdrop-filter: saturate(180%) blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 80px 24px 24px;
        gap: 0;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s;
        z-index: 1000;
        overflow-y: auto;
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        width: 100%;
        max-width: 400px;
        padding: 20px 0;
        text-align: center;
        border-bottom: 0.5px solid rgba(0, 0, 0, 0.1);
        font-size: 28px;
        font-weight: 400;
        letter-spacing: 0.007em;
    }

    .nav-links .btn {
        width: 100%;
        max-width: 400px;
        justify-content: center;
        margin-top: 24px;
        padding: 16px 32px;
        font-size: 17px;
    }
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 400;
    font-size: 17px;
    letter-spacing: -0.022em;
    transition: opacity 0.2s;
}

.nav-link:hover {
    opacity: 0.7;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    transition: var(--transition);
}

.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: scale(1.02);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid rgba(66, 47, 197, 0.3);
}

.btn-secondary:hover {
    background: rgba(66, 47, 197, 0.05);
    border-color: var(--primary-color);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

/* Hero Section - Apple Style */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.08) 0%, 
        rgba(118, 75, 162, 0.12) 25%,
        rgba(240, 147, 251, 0.1) 50%,
        rgba(66, 47, 197, 0.15) 75%,
        rgba(102, 126, 234, 0.08) 100%
    );
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(66, 47, 197, 0.15) 0%, transparent 60%);
    border-radius: 50%;
    z-index: 1;
    animation: float 20s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.12) 0%, transparent 65%);
    border-radius: 50%;
    z-index: 1;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(30px, -30px) scale(1.1);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 64px 40px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-radius: var(--border-radius);
    border: 0.5px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

@media (min-width: 768px) {
    .hero-content {
        padding: 80px 64px;
        max-width: 1000px;
    }
}

@media (min-width: 1068px) {
    .hero-content {
        max-width: 1200px;
    }
}

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

.badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(66, 47, 197, 0.1);
    border: 0.5px solid rgba(66, 47, 197, 0.2);
    border-radius: 980px;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: -0.011em;
    color: var(--primary-color);
}

.hero-title {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.08349;
    letter-spacing: -0.003em;
    margin-bottom: 6px;
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 56px;
        line-height: 1.07143;
        letter-spacing: -0.005em;
    }
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, #764BA2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 19px;
    color: var(--text-secondary);
    margin-bottom: 19px;
    line-height: 1.4211;
    letter-spacing: 0.012em;
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .hero-description {
        font-size: 21px;
        line-height: 1.381;
        letter-spacing: 0.011em;
    }
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    padding-top: 48px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

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

.stat-number {
    font-size: 32px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 6px;
    letter-spacing: -0.003em;
}

@media (min-width: 768px) {
    .stat-number {
        font-size: 40px;
    }
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: -0.011em;
}

@media (min-width: 768px) {
    .stat-label {
        font-size: 14px;
    }
}

/* Hero Partners */
.hero-partners {
    margin-top: 64px;
    text-align: center;
}

.hero-partners-label {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 400;
    letter-spacing: -0.011em;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.hero-partners-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.partner-logo {
    opacity: 0.5;
    transition: opacity 0.3s ease, transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-logo:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

.partner-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.partner-logo:hover .partner-img {
    filter: grayscale(0%);
}

@media (min-width: 768px) {
    .partner-img {
        height: 48px;
    }
}

@media (min-width: 768px) {
    .hero-partners {
        margin-top: 80px;
    }
    
    .hero-partners-logos {
        gap: 48px;
    }
    
    .partner-logo svg {
        height: 28px;
    }
}

/* Section Styles */
section {
    padding: 80px 0;
}

@media (min-width: 768px) {
    section {
        padding: 120px 0;
    }
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

@media (min-width: 768px) {
    .section-header {
        margin-bottom: 100px;
    }
}

.section-title {
    font-size: 40px;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.003em;
    margin-bottom: 6px;
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 48px;
        line-height: 1.08349;
        letter-spacing: -0.003em;
    }
}

.section-description {
    font-size: 17px;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
}

@media (min-width: 768px) {
    .section-description {
        font-size: 19px;
        line-height: 1.4211;
        letter-spacing: 0.012em;
    }
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

@media (min-width: 768px) {
    .features-grid {
        gap: 48px;
    }
}

.feature-card {
    padding: 48px 36px;
    text-align: center;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.6);
}

@media (min-width: 768px) {
    .feature-card {
        padding: 56px 40px;
    }
}

.feature-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.8);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(66, 47, 197, 0.1);
    border-radius: 16px;
    color: var(--primary-color);
}

@media (min-width: 768px) {
    .feature-icon {
        width: 72px;
        height: 72px;
        margin-bottom: 40px;
    }
}

.feature-title {
    font-size: 21px;
    font-weight: 600;
    line-height: 1.19048;
    letter-spacing: 0.011em;
    margin-bottom: 8px;
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .feature-title {
        font-size: 24px;
        line-height: 1.16667;
        letter-spacing: 0.009em;
    }
}

.feature-description {
    font-size: 15px;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    color: var(--text-secondary);
    font-weight: 400;
}

@media (min-width: 768px) {
    .feature-description {
        font-size: 17px;
        line-height: 1.47059;
        letter-spacing: -0.022em;
    }
}

/* Entities Section */
.entities {
    background: var(--bg-primary);
}

.entities-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 48px;
}

@media (min-width: 768px) {
    .entities-list {
        gap: 24px;
        padding: 64px;
    }
}

.entity-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: rgba(66, 47, 197, 0.06);
    border-radius: 14px;
    font-weight: 400;
    font-size: 15px;
    letter-spacing: -0.022em;
    color: var(--text-primary);
    transition: var(--transition);
    border: 0.5px solid rgba(66, 47, 197, 0.1);
}

.entity-item:hover {
    background: rgba(66, 47, 197, 0.12);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(66, 47, 197, 0.15);
    border-color: rgba(66, 47, 197, 0.2);
}

.entity-item svg {
    color: var(--primary-color);
    flex-shrink: 0;
}

/* Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

@media (min-width: 768px) {
    .benefits-grid {
        gap: 48px;
    }
}

.benefit-item {
    padding: 48px 36px;
    position: relative;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.6);
}

@media (min-width: 768px) {
    .benefit-item {
        padding: 56px 40px;
    }
}

.benefit-item:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.8);
}

.benefit-number {
    font-size: 40px;
    font-weight: 600;
    color: rgba(66, 47, 197, 0.1);
    margin-bottom: 12px;
    line-height: 1;
    letter-spacing: -0.003em;
}

@media (min-width: 768px) {
    .benefit-number {
        font-size: 48px;
    }
}

.benefit-title {
    font-size: 21px;
    font-weight: 600;
    line-height: 1.19048;
    letter-spacing: 0.011em;
    margin-bottom: 8px;
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .benefit-title {
        font-size: 24px;
        line-height: 1.16667;
        letter-spacing: 0.009em;
    }
}

.benefit-description {
    font-size: 15px;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    color: var(--text-secondary);
    font-weight: 400;
}

@media (min-width: 768px) {
    .benefit-description {
        font-size: 17px;
        line-height: 1.47059;
        letter-spacing: -0.022em;
    }
}

/* How It Works Section */
.how-it-works {
    background: var(--bg-primary);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
    max-width: 100%;
    margin: 0 auto;
    position: relative;
}

@media (min-width: 768px) {
    .steps-container {
        gap: 48px;
    }
}

@media (min-width: 1068px) {
    .steps-container {
        grid-template-columns: repeat(4, 1fr);
        gap: 64px;
    }
}

@media (min-width: 1280px) {
    .steps-container {
        gap: 80px;
    }
}

.step-item {
    padding: 48px 32px;
    text-align: center;
    position: relative;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--border-radius);
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

@media (min-width: 768px) {
    .step-item {
        padding: 56px 40px;
        min-height: 320px;
    }
}

.step-item:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.step-number {
    font-size: 56px;
    font-weight: 600;
    color: rgba(66, 47, 197, 0.2);
    margin-bottom: 20px;
    line-height: 1;
    letter-spacing: -0.003em;
}

@media (min-width: 768px) {
    .step-number {
        font-size: 64px;
    }
}

.step-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.step-title {
    font-size: 21px;
    font-weight: 600;
    line-height: 1.19048;
    letter-spacing: 0.011em;
    margin-bottom: 12px;
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .step-title {
        font-size: 24px;
        line-height: 1.16667;
        letter-spacing: 0.009em;
    }
}

.step-description {
    font-size: 15px;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    color: var(--text-secondary);
    font-weight: 400;
    flex: 1;
}

@media (min-width: 768px) {
    .step-description {
        font-size: 17px;
        line-height: 1.47059;
        letter-spacing: -0.022em;
    }
}

.step-arrow {
    position: absolute;
    top: 50%;
    right: -32px;
    transform: translateY(-50%);
    color: var(--text-light);
    display: none;
    width: 32px;
    height: 32px;
    z-index: 1;
}

@media (min-width: 1068px) {
    .step-arrow {
        display: flex;
        align-items: center;
        justify-content: center;
        right: -40px;
    }
    
    .step-item:last-child .step-arrow {
        display: none;
    }
}

@media (min-width: 1280px) {
    .step-arrow {
        right: -48px;
    }
}

/* Performance Metrics Section */
.metrics {
    background: var(--bg-secondary);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
}

@media (min-width: 768px) {
    .metrics-grid {
        gap: 40px;
    }
}

@media (min-width: 1068px) {
    .metrics-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 48px;
    }
}

.metric-item {
    padding: 56px 40px;
    text-align: center;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--border-radius);
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

@media (min-width: 768px) {
    .metric-item {
        padding: 64px 48px;
        min-height: 320px;
    }
}

.metric-item:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.metric-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    background: rgba(66, 47, 197, 0.08);
    border-radius: 16px;
    padding: 12px;
}

.metric-value {
    font-size: 52px;
    font-weight: 600;
    line-height: 1.08349;
    letter-spacing: -0.003em;
    color: var(--primary-color);
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .metric-value {
        font-size: 56px;
    }
}

.metric-label {
    font-size: 19px;
    font-weight: 600;
    line-height: 1.4211;
    letter-spacing: 0.012em;
    color: var(--text-primary);
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .metric-label {
        font-size: 21px;
        line-height: 1.19048;
        letter-spacing: 0.011em;
    }
}

.metric-description {
    font-size: 15px;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    color: var(--text-secondary);
    font-weight: 400;
    margin: 0;
    max-width: 200px;
}

@media (min-width: 768px) {
    .metric-description {
        font-size: 17px;
        line-height: 1.47059;
        letter-spacing: -0.022em;
    }
}

/* Integrations Section */
.integrations {
    background: var(--bg-primary);
}

.integrations-grid {
    display: flex;
    flex-direction: column;
    gap: 64px;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .integrations-grid {
        gap: 80px;
    }
}

.integration-category {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.integration-category-title {
    font-size: 32px;
    font-weight: 600;
    line-height: 1.125;
    letter-spacing: -0.003em;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 8px;
}

@media (min-width: 768px) {
    .integration-category-title {
        font-size: 40px;
        line-height: 1.1;
        letter-spacing: -0.003em;
    }
}

.integration-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

@media (min-width: 768px) {
    .integration-items {
        gap: 40px;
    }
}

@media (min-width: 1068px) {
    .integration-items {
        grid-template-columns: repeat(3, 1fr);
    }
}

.integration-item {
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.integration-item:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.integration-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(66, 47, 197, 0.08);
    border-radius: 16px;
    padding: 12px;
}

.integration-name {
    font-size: 21px;
    font-weight: 600;
    line-height: 1.19048;
    letter-spacing: 0.011em;
    color: var(--text-primary);
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .integration-name {
        font-size: 24px;
        line-height: 1.16667;
        letter-spacing: 0.009em;
    }
}

.integration-description {
    font-size: 15px;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    color: var(--text-secondary);
    font-weight: 400;
    margin: 0;
}

@media (min-width: 768px) {
    .integration-description {
        font-size: 17px;
        line-height: 1.47059;
        letter-spacing: -0.022em;
    }
}

/* Screenshots Section */
.screenshots {
    background: var(--bg-primary);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

@media (min-width: 768px) {
    .screenshots-grid {
        gap: 48px;
    }
}

.screenshot-item {
    padding: 0;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.screenshot-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: linear-gradient(135deg, rgba(66, 47, 197, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    color: var(--text-light);
}

.screenshot-placeholder svg {
    opacity: 0.5;
}

.screenshot-placeholder p {
    font-weight: 600;
    font-size: 16px;
}

/* FAQ Section */
.faq {
    background: var(--bg-primary);
}

.faq-list {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

@media (min-width: 768px) {
    .faq-list {
        gap: 24px;
        max-width: 1200px;
    }
}

.faq-item {
    padding: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    padding: 24px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    font-size: 19px;
    font-weight: 600;
    line-height: 1.4211;
    letter-spacing: 0.012em;
    color: var(--text-primary);
    margin: 0;
}

.faq-icon {
    width: 24px;
    height: 24px;
    color: var(--text-secondary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 28px;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 28px 24px;
}

.faq-answer p {
    font-size: 15px;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    color: var(--text-secondary);
    font-weight: 400;
    margin: 0;
}

/* Why Choose PrimeLink Section */
.comparison {
    background: var(--bg-secondary);
}

.features-list-wrapper {
    padding: 0;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.6);
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .features-list-wrapper {
        max-width: 1200px;
    }
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0;
    padding: 0;
}

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

@media (min-width: 1068px) {
    .features-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 28px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

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

.feature-row:hover {
    background: rgba(66, 47, 197, 0.04);
}

.feature-icon-check {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(130, 181, 65, 0.1);
    border-radius: 50%;
}

.feature-icon-check svg {
    width: 20px;
    height: 20px;
}

.feature-text {
    font-size: 15px;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    color: var(--text-primary);
    font-weight: 400;
    flex: 1;
}

@media (min-width: 768px) {
    .feature-text {
        font-size: 17px;
        line-height: 1.47059;
        letter-spacing: -0.022em;
    }
}

/* Use Cases Section */
.use-cases {
    background: var(--bg-secondary);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

@media (min-width: 768px) {
    .use-cases-grid {
        gap: 40px;
    }
}

@media (min-width: 1068px) {
    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 48px;
    }
}

.use-case-item {
    padding: 48px 36px;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.6);
}

@media (min-width: 768px) {
    .use-case-item {
        padding: 56px 40px;
    }
}

.use-case-item:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.8);
}

.use-case-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.use-case-title {
    font-size: 21px;
    font-weight: 600;
    line-height: 1.19048;
    letter-spacing: 0.011em;
    margin-bottom: 8px;
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .use-case-title {
        font-size: 24px;
        line-height: 1.16667;
        letter-spacing: 0.009em;
    }
}

.use-case-description {
    font-size: 15px;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    color: var(--text-secondary);
    font-weight: 400;
}

@media (min-width: 768px) {
    .use-case-description {
        font-size: 17px;
        line-height: 1.47059;
        letter-spacing: -0.022em;
    }
}

/* Changelog Section */
.changelog {
    background: var(--bg-primary);
}

.changelog-list {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

@media (min-width: 768px) {
    .changelog-list {
        max-width: 1200px;
        gap: 32px;
    }
}

.changelog-item {
    padding: 0;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.6);
}

.changelog-header {
    padding: 32px 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    background: rgba(66, 47, 197, 0.04);
}

@media (min-width: 768px) {
    .changelog-header {
        padding: 40px 48px;
    }
}

.changelog-version {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.version-number {
    font-size: 32px;
    font-weight: 600;
    line-height: 1.08349;
    letter-spacing: -0.003em;
    color: var(--primary-color);
}

@media (min-width: 768px) {
    .version-number {
        font-size: 40px;
    }
}

.version-date {
    font-size: 15px;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    color: var(--text-secondary);
    font-weight: 400;
}

@media (min-width: 768px) {
    .version-date {
        font-size: 17px;
    }
}

.changelog-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(66, 47, 197, 0.15);
    border: 0.5px solid rgba(66, 47, 197, 0.3);
    border-radius: 980px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: -0.011em;
    color: var(--primary-color);
}

.changelog-content {
    padding: 32px 36px;
}

@media (min-width: 768px) {
    .changelog-content {
        padding: 40px 48px;
    }
}

.changelog-category {
    margin-bottom: 32px;
}

.changelog-category:last-child {
    margin-bottom: 0;
}

.category-title {
    font-size: 19px;
    font-weight: 600;
    line-height: 1.4211;
    letter-spacing: 0.012em;
    color: var(--text-primary);
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .category-title {
        font-size: 21px;
        line-height: 1.19048;
        letter-spacing: 0.011em;
    }
}

.changelog-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.changelog-features li {
    font-size: 15px;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    color: var(--text-secondary);
    font-weight: 400;
    padding-left: 24px;
    position: relative;
}

@media (min-width: 768px) {
    .changelog-features li {
        font-size: 17px;
        line-height: 1.47059;
        letter-spacing: -0.022em;
    }
}

.changelog-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 20px;
    line-height: 1;
}

.changelog-footer {
    margin-top: 48px;
    text-align: center;
}

.changelog-note {
    font-size: 15px;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    color: var(--text-secondary);
    font-weight: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.changelog-note svg {
    flex-shrink: 0;
    color: var(--text-light);
}

.changelog-note a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.changelog-note a:hover {
    opacity: 0.7;
}

@media (min-width: 768px) {
    .changelog-note {
        font-size: 17px;
    }
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, #764BA2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
    padding: 96px 64px;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .cta-content {
        padding: 120px 80px;
        max-width: 1200px;
    }
}

.cta-title {
    font-size: 32px;
    font-weight: 600;
    line-height: 1.125;
    letter-spacing: -0.003em;
    margin-bottom: 8px;
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .cta-title {
        font-size: 40px;
        line-height: 1.1;
        letter-spacing: -0.003em;
    }
}

.cta-description {
    font-size: 17px;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-weight: 400;
}

@media (min-width: 768px) {
    .cta-description {
        font-size: 19px;
        line-height: 1.4211;
        letter-spacing: 0.012em;
    }
}

.cta-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-light);
}

.cta-note svg {
    flex-shrink: 0;
}

#demo-btn {
    margin: 0 auto;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-description {
    font-size: 14px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.6);
}

.footer-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: white;
}

.footer-link {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.2s;
}

.footer-link:hover {
    color: white;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 968px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 42px;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .section-title {
        font-size: 36px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .hero-content {
        padding: 40px 24px;
    }

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

    .hero-description {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .stat-number {
        font-size: 28px;
    }

    .section-title {
        font-size: 28px;
    }

    .features-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .cta-content {
        padding: 48px 24px;
    }

    .cta-title {
        font-size: 28px;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

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

.feature-card,
.benefit-item,
.screenshot-item {
    animation: fadeInUp 0.6s ease-out;
}