/* ===================================
   CSS Variables
   =================================== */
:root {
    --primary: #6B46C1;
    --primary-light: #9F7AEA;
    --secondary: #0891B2;
    --secondary-light: #22D3EE;
    --dark: #0F172A;
    --dark-light: #1E293B;
    --gray: #64748B;
    --light: #F8FAFC;
    --white: #FFFFFF;
    --gradient-primary: linear-gradient(135deg, #6B46C1 0%, #22D3EE 100%);
    --gradient-secondary: linear-gradient(135deg, #9F7AEA 0%, #0891B2 100%);
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

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

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark);
    margin: 20px 0;
    line-height: 1.2;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray);
}

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

.badge {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(107, 70, 193, 0.1) 0%, rgba(34, 211, 238, 0.1) 100%);
    border: 1px solid rgba(107, 70, 193, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 20px;
}

/* ===================================
   Navigation
   =================================== */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

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

.logo-icon {
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

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

.nav-links a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-links a:not(.btn-nav):hover::after,
.nav-links a.active::after {
    width: 100%;
}

.btn-nav {
    padding: 10px 24px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(107, 70, 193, 0.3);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    transition: all 0.3s ease;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    padding: 150px 0 100px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #6B46C1 0%, transparent 70%);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #22D3EE 0%, transparent 70%);
    bottom: -150px;
    left: -100px;
    animation-delay: -10s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, #9F7AEA 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -50px) scale(1.1); }
    66% { transform: translate(-30px, 30px) scale(0.9); }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(107, 70, 193, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(107, 70, 193, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

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

.hero-text h1 {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 25px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.stat-item {
    padding: 20px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(107, 70, 193, 0.1);
    border-radius: 12px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 600px;
}

.main-visual {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.main-visual img {
    width: 100%;
    height: auto;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 25px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(107, 70, 193, 0.2);
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    animation: cardFloat 3s ease-in-out infinite;
}

.card-1 {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.card-2 {
    top: 60%;
    right: -10%;
    animation-delay: -1s;
}

.card-3 {
    bottom: 10%;
    left: 10%;
    animation-delay: -2s;
}

@keyframes cardFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.card-icon {
    font-size: 2rem;
}

.card-title {
    font-size: 0.85rem;
    color: var(--gray);
    font-weight: 500;
}

.card-value {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 10px 30px rgba(107, 70, 193, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(107, 70, 193, 0.4);
}

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

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

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

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

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

.btn-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.3);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.1rem;
}

/* ===================================
   Features Section
   =================================== */
.features {
    background: var(--white);
}

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

.feature-card {
    padding: 40px;
    background: var(--light);
    border: 2px solid transparent;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.feature-card:hover::before {
    opacity: 0.05;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(107, 70, 193, 0.15);
}

.feature-card > * {
    position: relative;
    z-index: 1;
}

.feature-icon {
    margin-bottom: 25px;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 15px;
    font-weight: 700;
}

.feature-card p {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.feature-link {
    color: var(--primary);
    font-weight: 600;
    display: inline-block;
}

.feature-link:hover {
    transform: translateX(5px);
}

/* ===================================
   Product Preview Section
   =================================== */
.product-preview {
    padding: 120px 0;
}

.preview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.preview-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin: 30px 0;
}

.preview-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    opacity: 0.95;
}

/* ===================================
   Stats Section
   =================================== */
.stats-section {
    background: var(--dark);
    color: var(--white);
}

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

.stat-box {
    text-align: center;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.stat-box .stat-number {
    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: 10px;
}

.stat-box .stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    background: var(--light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(107, 70, 193, 0.1);
}

.stars {
    color: #FFC107;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.testimonial-text {
    color: var(--dark);
    line-height: 1.8;
    margin-bottom: 25px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    font-weight: 700;
    color: var(--dark);
}

.author-title {
    font-size: 0.9rem;
    color: var(--gray);
}

/* ===================================
   CTA Section
   =================================== */
.cta-section {
    background: var(--dark);
    padding: 100px 0;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
}

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

.cta-content h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.3rem;
    opacity: 0.9;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.cta-note {
    font-size: 0.95rem;
    opacity: 0.7;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--dark-light);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 25px;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.social-links a:hover {
    color: var(--secondary-light);
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-col a:hover {
    color: var(--secondary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 968px) {
    .hero-content,
    .preview-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 3rem;
    }

    .section-header h2 {
        font-size: 2.5rem;
    }

    .hero-visual {
        height: 400px;
    }

    .floating-card {
        position: static;
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        padding: 30px 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2.2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

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