/* ========================================
   ROOT VARIABLES
   ======================================== */
:root {
    /* Colors */
    --primary: #7C3AED;
    --primary-light: #A78BFA;
    --primary-dark: #5B21B6;
    --secondary: #EC4899;
    
    --bg-white: #FFFFFF;
    --bg-light: #F9FAFB;
    --bg-gray: #F3F4F6;
    
    --text-dark: #111827;
    --text-gray: #6B7280;
    --text-light: #9CA3AF;
    
    --border-color: #E5E7EB;
    --gradient-primary: linear-gradient(135deg, #7C3AED 0%, #A78BFA 100%);
    --gradient-hero: linear-gradient(135deg, #7C3AED 0%, #A78BFA 50%, #EC4899 100%);
    
    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-purple: 0 10px 40px -10px rgba(124, 58, 237, 0.3);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   RESET & BASE
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: var(--transition);
}

/* ========================================
   UTILITIES
   ======================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 12px;
    transition: var(--transition);
    white-space: nowrap;
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-purple);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -10px rgba(124, 58, 237, 0.4);
}

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

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

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

.btn-secondary:active {
    transform: scale(0.98);
}

.btn-outline {
    border: 2px solid var(--border-color);
    color: var(--text-dark);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.125rem;
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

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

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

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

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

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

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    padding: 180px 0 120px;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    opacity: 0.05;
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 12px;
}

.trust-text {
    color: var(--text-gray);
    font-size: 0.875rem;
}

.hero-visual {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    min-width: 180px;
}

.card-icon {
    font-size: 3rem;
}

.card-text {
    font-weight: 600;
    color: var(--text-dark);
}

.card-1 {
    top: 20%;
    left: 10%;
    animation: float 6s ease-in-out infinite;
}

.card-2 {
    top: 50%;
    right: 10%;
    animation: float 6s ease-in-out infinite 2s;
}

.card-3 {
    bottom: 15%;
    left: 30%;
    animation: float 6s ease-in-out infinite 4s;
}

/* ========================================
   STATS SECTION
   ======================================== */
.stats {
    padding: 80px 0;
    background: var(--bg-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-gray);
    font-weight: 500;
}

/* ========================================
   FEATURES SECTION
   ======================================== */
.features {
    padding: var(--section-padding) 0;
}

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

.feature-card {
    padding: 40px;
    background: white;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-description {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ========================================
   INDUSTRIES SECTION
   ======================================== */
.industries {
    padding: var(--section-padding) 0;
    background: white;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.industry-card {
    background: white;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.industry-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.industry-featured {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.05) 0%, rgba(167, 139, 250, 0.05) 100%);
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.2);
    transform: scale(1.05);
}

.industry-featured:hover {
    transform: scale(1.05) translateY(-4px);
    box-shadow: 0 12px 32px rgba(124, 58, 237, 0.3);
}

.industry-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 4px 16px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.industry-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.industry-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.industry-description {
    color: var(--text-gray);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ========================================
   HOW IT WORKS SECTION
   ======================================== */
.how-it-works {
    padding: var(--section-padding) 0;
    background: var(--bg-light);
}

.steps-container {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}

.step-item {
    flex: 1;
    text-align: center;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: var(--shadow-purple);
}

.step-content {
    padding: 0 12px;
}

.step-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.step-description {
    color: var(--text-gray);
    line-height: 1.7;
}

.step-connector {
    width: 60px;
    height: 2px;
    background: var(--gradient-primary);
    margin-top: 40px;
    flex-shrink: 0;
}

/* ========================================
   BENEFITS SECTION
   ======================================== */
.benefits {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, #F9FAFB 0%, #FFFFFF 50%, #F3F4F6 100%);
    position: relative;
    overflow: hidden;
}

.benefits::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

.benefit-item {
    background: white;
    border-radius: 20px;
    padding: 40px 32px;
    transition: var(--transition);
    border: 2px solid transparent;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.benefit-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.benefit-item:hover::before {
    transform: scaleX(1);
}

.benefit-item:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(124, 58, 237, 0.2);
    border-color: var(--primary-light);
}

.benefit-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--gradient-primary);
    color: white;
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-bottom: 24px;
    box-shadow: 0 8px 16px rgba(124, 58, 237, 0.3);
    transition: var(--transition);
}

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

.benefit-title {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.benefit-description {
    color: var(--text-gray);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ========================================
   FAQ SECTION
   ======================================== */
.faq {
    padding: var(--section-padding) 0;
    background: white;
}

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

.faq-item {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary-light);
}

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

.faq-question h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
}

.faq-toggle {
    font-size: 2rem;
    font-weight: 300;
    color: var(--primary);
    transition: transform 0.3s ease;
    line-height: 1;
}

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

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

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

.faq-answer p {
    color: var(--text-gray);
    line-height: 1.8;
    margin: 0;
}

/* ========================================
   INTEGRATIONS SECTION
   ======================================== */
.integrations {
    padding: var(--section-padding) 0;
    background: var(--bg-light);
}

.integrations-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.integration-card {
    background: white;
    border-radius: 12px;
    padding: 24px 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid transparent;
}

.integration-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.integration-logo {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.integration-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.8rem;
}

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

.integrations-more p {
    color: var(--text-gray);
    margin-bottom: 20px;
    font-size: 1.125rem;
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta {
    position: relative;
    padding: var(--section-padding) 0;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    opacity: 0.95;
    z-index: -1;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.cta-form {
    margin-bottom: 48px;
}

.form-group {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
}

.form-input {
    flex: 1;
    padding: 16px 24px;
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    font-size: 1rem;
    transition: var(--transition);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-input:focus {
    outline: none;
    border-color: white;
    background: rgba(255, 255, 255, 0.2);
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    font-weight: 500;
}

.badge-icon {
    font-size: 1.5rem;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 80px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 20px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-title {
    font-weight: 600;
    margin-bottom: 16px;
    font-size: 1rem;
}

.footer-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-list a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

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

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

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

.footer-social {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablet (768px and below) */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 32px 20px;
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero {
        padding: 140px 0 80px;
        min-height: auto;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-visual {
        height: 400px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .integrations-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .step-connector {
        width: 2px;
        height: 40px;
        margin: 0 auto;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .integrations-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* Tablet adjustments for new sections */
@media (max-width: 768px) {
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .step-connector {
        width: 2px;
        height: 40px;
        margin: 12px auto;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}