:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-light: #d1fae5;
    --secondary: #f59e0b;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 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);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --container-max-width: 1200px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
}

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

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    font: inherit;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-img {
    height: 2.5rem;
    width: auto;
    object-fit: contain;
}

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

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

.nav-links li a:hover {
    color: var(--primary);
}

.menu-toggle {
    display: none;
    cursor: pointer;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary-dark);
}

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    background: radial-gradient(circle at top right, var(--primary-light), transparent 40%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

.hero-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    max-width: 450px;
    margin: 0 auto;
}

.image-wrapper img {
    width: 100%;
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.image-wrapper img:hover {
    transform: scale(1.02);
}

.floating-card {
    position: absolute;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    z-index: 10;
    animation: float 4s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    left: -15%;
}

.card-2 {
    bottom: 20%;
    right: -15%;
    animation-delay: 2s;
}

.floating-card i {
    color: var(--primary);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Features */
.features {
    padding: 8rem 0;
    background-color: var(--bg-white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.feature-card {
    padding: 3rem 2rem;
    background-color: var(--bg-light);
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    background-color: white;
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background-color: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
}

/* How It Works */
.how-it-works {
    padding: 8rem 0;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
    position: relative;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    position: relative;
    z-index: 2;
}

.step h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.step p {
    color: var(--text-muted);
}

/* About */
.about {
    padding: 7rem 0;
    background-color: var(--bg-white);
}

.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: 4rem;
    align-items: end;
}

.eyebrow {
    color: var(--primary-dark);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.about h2 {
    font-size: 3rem;
    max-width: 760px;
}

.about-layout > p {
    color: var(--text-muted);
    font-size: 1.12rem;
}

/* CTA */
.cta {
    padding: 8rem 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.cta-btns {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.download-status {
    min-height: 1.5rem;
    margin-top: 1.5rem;
    color: white;
    font-size: 0.95rem;
    opacity: 0.92;
}

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

.cta .btn-primary:hover {
    background-color: var(--primary-light);
    color: var(--primary-dark);
}

/* Footer */
.footer {
    padding: 5rem 0 2rem;
    background-color: var(--bg-white);
    border-top: 1px solid #e2e8f0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-about p {
    margin-top: 1.5rem;
    color: var(--text-muted);
    max-width: 300px;
}

.footer-links h4, .footer-social h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links ul li a {
    color: var(--text-muted);
}

.footer-links ul li a:hover {
    color: var(--primary);
}

.social-icons {
    display: flex;
    gap: 1.5rem;
}

.social-icons a {
    color: var(--text-muted);
    font-size: 1.5rem;
}

.social-icons a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 3.5rem;
    }
    
    .hero-content p {
        margin: 0 auto 2.5rem;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-links.is-open {
        display: flex;
        position: absolute;
        top: calc(100% + 0.5rem);
        left: 1rem;
        right: 1rem;
        width: auto;
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        background: white;
        padding: 1rem;
        border-radius: 8px;
        box-shadow: var(--shadow-lg);
    }

    .nav-links.is-open a {
        display: block;
        padding: 0.65rem 0.75rem;
    }

    .nav-links.is-open .btn {
        padding: 0.8rem 1rem;
    }
    
    .menu-toggle {
        display: inline-flex;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .features-grid, .steps-container {
        grid-template-columns: 1fr;
    }

    .about-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .about h2 {
        font-size: 2.25rem;
    }
    
    .cta-content h2 {
        font-size: 2.2rem;
    }
    
    .cta-btns {
        flex-direction: column;
        gap: 1rem;
    }

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

    .btn-lg {
        width: 100%;
    }
}