:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-light: #34d399;
    --gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-hover: linear-gradient(135deg, #059669 0%, #047857 100%);
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #64748b;
    --red: red;
    --gray-light: #e2e8f0;
    --accent: #22c55e;
    --shadow: 0 20px 40px rgba(16, 185, 129, 0.08);
    --shadow-lg: 0 30px 60px rgba(16, 185, 129, 0.15);
    --radius: 16px;
    --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;
    line-height: 1.7;
    color: var(--dark);
    background: var(--light);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.05);
    transition: var(--transition);
}

.header-scrolled {
    padding: 10px 0;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    transition: var(--transition);
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    margin-right: 12px;
}

.logo-text {
    font-family: 'Poppins', sans-serif;
    font-weight: 900;
    font-size: 24px;
    color: var(--dark);
}

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

nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
}

nav a {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    font-size: 16px;
    transition: var(--transition);
    position: relative;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

nav a:hover::after {
    width: 100%;
}

.cta-button {
    background: var(--gradient);
    color: white;
    padding: 14px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.cta-button:hover {
    background: var(--gradient-hover);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(16, 185, 129, 0.35);
}

/* Hero Section */
.hero {
    padding: 180px 0 120px;
    background: linear-gradient(135deg, #f0fdf4 0%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 800"><defs><radialGradient id="a" cx="400" cy="400" r="50%" gradientTransform="translate(400 400)"><stop offset="0%" stop-color="%2310b981" stop-opacity="0.05"/><stop offset="100%" stop-color="%2310b981" stop-opacity="0"/></radialGradient></defs><rect fill="url(%23a)" width="800" height="800"/></svg>') no-repeat;
    background-size: contain;
}

.hero-content {
    max-width: 650px;
    position: relative;
    z-index: 2;
}
.hero-small {
    padding: 120px 0 0 0;
    max-width: 100%!important;
    text-align: center;
}
.hero-small p {
    max-width: 100%!important;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(16, 185, 129, 0.1);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 24px;
}

.hero-badge i {
    margin-right: 8px;
    font-size: 12px;
}

.hero h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 64px;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--dark);
}

.hero h1 span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.hero p {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 60px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: 'Poppins', sans-serif;
    font-size: 40px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.stat-label {
    color: var(--gray);
    font-size: 14px;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--gray-light);
    padding: 14px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

/* Features */
.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(16, 185, 129, 0.1);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 20px;
}

.section-title h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 48px;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--dark);
}

.section-title p {
    font-size: 18px;
    color: var(--gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid #e5f7ef;
}

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

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary);
    font-size: 30px;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.1);
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
    color: var(--dark);
}

/* Pricing */
.pricing {
    background: linear-gradient(135deg, #f0fdf4 0%, #f8fafc 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    border: 1px solid #e5f7ef;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.pricing-card.popular {
    border: 2px solid var(--primary);
    transform: scale(1.05);
    box-shadow: 0 30px 60px rgba(16, 185, 129, 0.2);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: white;
    padding: 8px 24px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--gray-light);
}

.pricing-name {
    font-family: 'Poppins', sans-serif;
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--dark);
}

.price {
    font-family: 'Poppins', sans-serif;
    font-size: 56px;
    color: var(--dark);
    margin: 10px 0;
    line-height: 1;
}

.price span {
    font-size: 18px;
    color: var(--gray);
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    margin: 30px 0;
    flex-grow: 1;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-light);
    display: flex;
    align-items: center;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features i {
    color: var(--primary);
    margin-right: 12px;
    font-size: 18px;
}

/* Download */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.download-card {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border: 1px solid #e5f7ef;
}

.download-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.download-icon {
    width: 100px;
    height: 100px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: var(--primary);
    font-size: 40px;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.1);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.05;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 800"><defs><radialGradient id="a" cx="400" cy="400" r="50%" gradientTransform="translate(400 400)"><stop offset="0%" stop-color="%2310b981"/><stop offset="100%" stop-color="%2310b981" stop-opacity="0"/></radialGradient></defs><rect fill="url(%23a)" width="800" height="800"/></svg>') no-repeat;
    background-size: cover;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
    position: relative;
    z-index: 2;
}

.footer-column h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    margin-bottom: 24px;
    color: white;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links a:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.footer-links i {
    width: 20px;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #334155;
    color: #94a3b8;
    font-size: 14px;
    position: relative;
    z-index: 2;
}

/* Eco Badge */
.eco-badge {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--gradient);
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 100;
    transition: var(--transition);
    cursor: pointer;
}

.eco-badge:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.4);
}

.eco-badge i {
    font-size: 18px;
}

/* Leaf animation */
.leaf {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--primary);
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    opacity: 0.3;
    animation: float 20s infinite linear;
}

.leaf:nth-child(2n) {
    background: var(--primary-light);
}

.leaf:nth-child(3n) {
    background: var(--accent);
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 54px;
    }

    .section-title h2 {
        font-size: 42px;
    }

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

    .pricing-card.popular:hover {
        transform: translateY(-10px);
    }

    .eco-badge {
        bottom: 20px;
        right: 20px;
        padding: 10px 16px;
        font-size: 12px;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 20px;
        padding: 20px 0;
    }

    nav ul {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding: 140px 0 80px;
        text-align: center;
    }

    .hero h1 {
        font-size: 42px;
    }

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

    .hero-stats {
        justify-content: center;
    }

    .section {
        padding: 60px 0;
    }

    .section-title h2 {
        font-size: 36px;
    }

    .eco-badge {
        bottom: 15px;
        right: 15px;
        padding: 8px 14px;
    }

    .hero-small {
        padding-top: 230px!important;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 36px;
    }

    .section-title h2 {
        font-size: 32px;
    }

    .feature-card, .pricing-card, .download-card {
        padding: 30px;
    }

    .price {
        font-size: 48px;
    }

    .eco-badge {
        display: none;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

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

.white {
    color: #fff;
}

ul {
    list-style: none;
}

#content {
    margin-bottom: 60px;
}
#content .container section {
    margin-bottom: 20px;
    color: var(--dark);
}