:root {
    --black: #000000;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--white);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Header */
/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: saturate(180%) blur(20px);
    background: rgba(255, 255, 255, 0.7);
    border-bottom: 0.5px solid rgba(0, 0, 0, 0.08);
    padding: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 0.5px solid rgba(0, 0, 0, 0.15);
    backdrop-filter: saturate(180%) blur(25px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 52px;
    transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.header.scrolled .nav-container {
    height: 48px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo img {
    height: 60px;
    width: auto;
    transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.header.scrolled .logo img {
    height: 28px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 400;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
}

.nav-link:hover {
    color: var(--black);
}

.auth-buttons {
    display: flex;
    gap: 8px;
    align-items: center;
}

.btn {
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.btn-outline {
    color: var(--black);
    background: transparent;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

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

.btn-primary {
    background: var(--black);
    color: var(--white);
    border: 1px solid var(--black);
}

.btn-primary:hover {
    background: var(--gray-800);
    border-color: var(--gray-800);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--black);
    font-size: 18px;
    cursor: pointer;
    padding: 8px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav-container {
        padding: 0 16px;
    }

    .auth-buttons {
        gap: 6px;
    }

    .btn {
        padding: 5px 10px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .auth-buttons .btn-outline {
        display: none;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 22px 60px;
    background: var(--white);
    position: relative;
}

.hero-container {
    max-width: 1024px;
    width: 100%;
    text-align: center;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(48px, 8vw, 80px);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 24px;
    color: var(--black);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 21px;
    color: var(--gray-600);
    margin-bottom: 40px;
    font-weight: 400;
    line-height: 1.5;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn-hero {
    padding: 12px 24px;
    font-size: 17px;
    border-radius: 25px;
    font-weight: 500;
}

.hero-visual {
    margin-top: 60px;
    position: relative;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-mockup {
    background: var(--black);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    transform: perspective(1000px) rotateX(12deg);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-mockup:hover {
    transform: perspective(1000px) rotateX(8deg) translateY(-10px);
}

.mockup-content {
    background: var(--white);
    border-radius: 12px;
    padding: 32px;
    min-height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-700);
}

/* Features Section */
.features {
    padding: 120px 22px;
    background: var(--gray-50);
}

.features-container {
    max-width: 1024px;
    margin: 0 auto;
}

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

.section-badge {
    display: inline-block;
    background: var(--white);
    border: 1px solid var(--gray-200);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--black);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 21px;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 20px;
    padding: 40px 32px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    border-color: var(--gray-300);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--black);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 24px;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--black);
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.6;
    font-size: 16px;
}

/* How It Works Section */
.how-it-works {
    padding: 120px 22px;
    background: var(--white);
}

.steps-container {
    max-width: 1024px;
    margin: 0 auto;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 48px;
    margin-top: 80px;
}

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

.step-number {
    width: 72px;
    height: 72px;
    background: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    margin: 0 auto 24px;
}

.step-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--black);
}

.step-description {
    color: var(--gray-600);
    line-height: 1.6;
    font-size: 16px;
}

/* Use Cases Section */
.use-cases {
    padding: 120px 22px;
    background: var(--gray-50);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 60px;
}

.use-case-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 32px 24px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--gray-300);
}

.use-case-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.use-case-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--black);
}

.use-case-description {
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.5;
}

/* Pricing Section */
.pricing {
    padding: 120px 22px;
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 60px;
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 20px;
    padding: 40px 32px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--black);
    border-width: 2px;
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

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

.plan-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--black);
}

.plan-price {
    font-size: 48px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 24px;
}

.plan-price span {
    font-size: 16px;
    color: var(--gray-500);
    font-weight: 400;
}

.plan-features {
    list-style: none;
    margin-bottom: 32px;
}

.plan-features li {
    padding: 8px 0;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
}

.plan-features li::before {
    content: '✓';
    color: var(--black);
    font-weight: bold;
    font-size: 16px;
}

/* CTA Section */
.cta-section {
    padding: 120px 22px;
    background: var(--black);
    color: var(--white);
    text-align: center;
}

.cta-section .hero-title {
    color: var(--white);
    margin-bottom: 24px;
}

.cta-section .hero-subtitle {
    color: var(--gray-300);
    margin-bottom: 40px;
}

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

.cta-section .btn-primary:hover {
    background: var(--gray-100);
}

.cta-section .btn-outline {
    color: var(--white);
    border-color: var(--gray-600);
}

.cta-section .btn-outline:hover {
    background: var(--gray-800);
    border-color: var(--gray-500);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 80px 22px 40px;
}

.footer-container {
    max-width: 1024px;
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--white);
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 32px;
    text-align: center;
    color: var(--gray-500);
    font-size: 14px;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--black);
    font-size: 18px;
    cursor: pointer;
    padding: 8px;
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero {
        padding: 100px 22px 40px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn-hero {
        width: 100%;
        max-width: 280px;
    }

    .features,
    .how-it-works,
    .use-cases,
    .pricing,
    .cta-section {
        padding: 80px 22px;
    }

    .features-grid,
    .steps-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .pricing-card.featured {
        transform: none;
    }

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

    .auth-buttons {
        gap: 8px;
    }

    .btn {
        padding: 6px 12px;
        font-size: 13px;
    }

    .nav-container {
        padding: 0 16px;
    }

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

    .steps-grid {
        margin-top: 60px;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .hero-mockup {
        padding: 24px;
        margin: 0 -22px;
        border-radius: 0;
    }

    .mockup-content {
        padding: 24px;
        min-height: 180px;
        font-size: 16px;
    }
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 60px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}
/* Additional CSS for new pricing design */
.plan-subtitle {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--gray-600);
}

.plan-description {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.5;
    margin-bottom: 24px;
}

.plan-features li.plus-feature::before {
    content: '+';
    color: var(--gray-500);
}

.coming-soon {
    background: var(--gray-100);
    color: var(--gray-600);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    margin-left: auto;
}

.feature-tag {
    background: var(--gray-800);
    color: var(--white);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    margin-left: auto;
}

/* Dark Enterprise Card */
.pricing-card.dark {
    background: var(--black);
    color: var(--white);
    border-color: var(--gray-700);
}

.pricing-card.dark .plan-name {
    color: var(--white);
}

.pricing-card.dark .plan-subtitle {
    color: var(--gray-300);
}

.pricing-card.dark .plan-description {
    color: var(--gray-300);
}

.pricing-card.dark .plan-price {
    color: var(--white);
}

.pricing-card.dark .plan-features li {
    color: var(--gray-300);
}

.pricing-card.dark .plan-features li::before {
    color: var(--white);
}

.pricing-card.dark .coming-soon {
    background: var(--gray-700);
    color: var(--gray-300);
}

.pricing-card.dark .feature-tag {
    background: var(--gray-600);
    color: var(--white);
}

.btn-outline-light {
    color: var(--white);
    background: transparent;
    border: 1px solid var(--gray-600);
}

.btn-outline-light:hover {
    background: var(--gray-800);
    border-color: var(--gray-500);
}
/* Hero Section with Enhanced Background and Animations */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 22px 60px;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 1200px 600px at 20% 40%, rgba(120, 119, 198, 0.15), transparent),
        radial-gradient(ellipse 800px 400px at 80% 60%, rgba(255, 119, 198, 0.1), transparent),
        radial-gradient(ellipse 600px 300px at 60% 20%, rgba(100, 200, 255, 0.08), transparent),
        linear-gradient(135deg, #fafafa 0%, #f5f5f5 25%, #ffffff 50%, #f8f8f8 75%, #fdfdfd 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
    animation: float 12s ease-in-out infinite;
}

.gradient-orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, rgba(99, 102, 241, 0.1) 40%, transparent 70%);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.gradient-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.15) 0%, rgba(236, 72, 153, 0.05) 40%, transparent 70%);
    top: 60%;
    right: 10%;
    animation-delay: -4s;
}

.gradient-orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, rgba(14, 165, 233, 0.05) 40%, transparent 70%);
    top: 30%;
    left: 60%;
    animation-delay: -8s;
}

.liquid-cursor {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle,
        rgba(99, 102, 241, 0.4) 0%,
        rgba(99, 102, 241, 0.2) 30%,
        rgba(99, 102, 241, 0.1) 50%,
        transparent 70%
    );
    filter: blur(80px);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.5);
    mix-blend-mode: normal;
    z-index: 2;
}

.mouse-trail {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle,
        rgba(236, 72, 153, 0.3) 0%,
        rgba(236, 72, 153, 0.15) 40%,
        transparent 70%
    );
    filter: blur(40px);
    pointer-events: none;
    transition: all 0.15s cubic-bezier(0.23, 1, 0.32, 1);
    opacity: 0;
    transform: translate(-50%, -50%);
    mix-blend-mode: normal;
    z-index: 3;
}

.hero-container {
    position: relative;
    z-index: 10;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) translateX(0px) scale(1);
    }
    25% {
        transform: translateY(-40px) translateX(30px) scale(1.1);
    }
    50% {
        transform: translateY(-20px) translateX(-20px) scale(0.9);
    }
    75% {
        transform: translateY(30px) translateX(15px) scale(1.05);
    }
}

@keyframes liquidPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(0.5);
        filter: blur(80px);
    }
    50% {
        transform: translate(-50%, -50%) scale(1);
        filter: blur(100px);
    }
}

@keyframes trailPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.8;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.4;
    }
}

/* Enhanced button effects */
.btn-hero {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    z-index: 10;
}

.btn-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s;
}

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

.btn-hero:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.btn-primary.btn-hero:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

/* Active liquid effects */
.hero.active .liquid-cursor {
    opacity: 1;
    animation: liquidPulse 2s ease-in-out infinite;
}

.hero.active .mouse-trail {
    opacity: 0.8;
    animation: trailPulse 1s ease-in-out infinite;
}