:root {
    --primary-color: #1A237E; /* Deep Blue/Purple for CTA */
    --hover-primary: #283593;
    --accent-teal: #00B1A7; /* Vibrant Teal */
    --accent-green: #00D084; /* Vibrant Green */
    --bg-light: #F8FAFC;
    --bg-white: #FFFFFF;
    --text-dark: #1E293B;
    --text-muted: #64748B;
    --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 35px rgba(0, 208, 132, 0.25);
    --radius-md: 12px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.highlight {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    z-index: 1;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 8px;
    background-color: rgba(0, 208, 132, 0.3);
    z-index: -1;
    border-radius: 4px;
}

/* Typography */
h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

h2 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

p {
    font-size: 1.125rem;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-sm {
    padding: 0.6rem 1.25rem;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 8px 20px rgba(26, 35, 126, 0.3);
}

.btn-primary:hover {
    background-color: var(--hover-primary);
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(26, 35, 126, 0.4);
}

.btn-secondary {
    background-color: white;
    color: var(--primary-color);
    border-color: #E2E8F0;
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-light);
    transform: translateY(-3px);
}

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

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

.btn-full {
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.03);
    transition: var(--transition);
    height: 80px;
    display: flex;
    align-items: center;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background-color: rgba(255, 255, 255, 0.98);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo-text {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--accent-green);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a:hover {
    color: var(--accent-teal);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: -2px;
    left: 0;
    background-color: var(--accent-teal);
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-white) 0%, #F0FDF8 100%);
}

.hero-shape {
    position: absolute;
    top: -30%;
    right: -20%;
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(0, 208, 132, 0.08) 0%, rgba(255,255,255,0) 60%);
    border-radius: 50%;
    z-index: 0;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 5rem;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1.1;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: #475569;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    flex: 0.9;
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border: 1px solid rgba(255, 255, 255, 0.7);
    background: white;
    padding: 0.75rem;
    transform: perspective(1000px) rotateY(-8deg) rotateX(4deg);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.image-wrapper:hover {
    transform: perspective(1000px) rotateY(0) rotateX(0);
}

.image-wrapper img {
    border-radius: calc(var(--radius-lg) - 0.75rem);
    display: block;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05); /* very subtle inner border effect */
}

/* Problem Solution Section */
.problem-solution {
    padding: 120px 0;
    background-color: var(--bg-white);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.content-box {
    background: linear-gradient(145deg, #ffffff, #F8FAFC);
    border: 1px solid #F1F5F9;
    border-radius: var(--radius-lg);
    padding: 4rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
    position: relative;
}

.content-box::before {
    content: '"';
    position: absolute;
    top: -40px;
    left: 40px;
    font-size: 140px;
    color: rgba(0, 208, 132, 0.1);
    font-family: serif;
    line-height: 1;
}

.content-box p {
    font-size: 1.35rem;
    color: #334155;
    font-weight: 500;
    line-height: 1.8;
}

/* Features Section */
.features {
    padding: 120px 0;
    background-color: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.feature-card {
    background-color: var(--bg-white);
    padding: 3rem 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.04);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md), 0 10px 20px rgba(0, 208, 132, 0.05);
    border-color: rgba(0, 208, 132, 0.2);
}

.icon-wrapper {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(0, 208, 132, 0.15), rgba(0, 177, 167, 0.1));
    color: var(--accent-teal);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.feature-card:hover .icon-wrapper {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-teal));
    color: white;
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 15px rgba(0, 208, 132, 0.3);
}

/* Pricing Section */
.pricing {
    padding: 120px 0;
    background-color: var(--bg-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 3.5rem 3rem;
    border: 1px solid #E2E8F0;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    transform: scale(1.05);
    background: linear-gradient(to bottom, #ffffff, #F8FAFC);
}

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

.popular-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--hover-primary));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px rgba(26, 35, 126, 0.4);
}

.card-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #E2E8F0;
}

.price {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-top: 1rem;
    line-height: 1;
}

.price span {
    font-size: 1.125rem;
    color: var(--text-muted);
    font-weight: 500;
}

.features-list {
    flex-grow: 1;
    margin-bottom: 3rem;
}

.features-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
    color: #475569;
    font-weight: 500;
}

.features-list i {
    color: var(--accent-green);
    margin-top: 4px;
    font-size: 1.1rem;
}

/* Footer */
footer {
    background-color: #0F172A; /* Very dark blue for a premium feel */
    color: white;
    padding: 100px 0 30px;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 5rem;
    margin-bottom: 4rem;
}

.footer-brand .logo-text {
    color: white;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.footer-brand p {
    color: #94A3B8;
    max-width: 450px;
    line-height: 1.8;
}

.footer-links h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-links ul li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: #94A3B8;
    transition: var(--transition);
    font-weight: 500;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    color: #64748B;
}

/* Animations */
.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease-out;
}

.fade-in.appear {
    opacity: 1;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.appear {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 1s ease-out, transform 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.slide-in-right.appear {
    opacity: 1;
    transform: translateX(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    h1 {
        font-size: 3rem;
    }
    .hero-container {
        gap: 3rem;
    }
}

@media (max-width: 992px) {
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content p {
        margin: 0 auto 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        margin-bottom: 3rem;
    }
    
    .hero-shape {
        top: -10%;
        right: -30%;
    }

    .image-wrapper {
        transform: perspective(1000px) rotateY(0) rotateX(0);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-8px);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .nav-links, .nav-cta {
        display: none;
    }
    
    .hamburger {
        display: block;
    }
    
    /* Mobile Menu Active State */
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--bg-white);
        padding: 2rem;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        gap: 1.5rem;
        text-align: center;
        border-top: 1px solid #F1F5F9;
    }

    .nav-cta.active {
        display: block;
        position: absolute;
        top: calc(80px + 230px); /* Positioned below nav links */
        left: 0;
        width: 100%;
        background-color: var(--bg-white);
        padding: 0 2rem 2rem;
        text-align: center;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        border-bottom-left-radius: 16px;
        border-bottom-right-radius: 16px;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .content-box {
        padding: 3rem 2rem;
    }

    .pricing-card {
        padding: 2.5rem 2rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
    }
}