@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --green-deep: #0a2e22;
    --green-dark: #0f3d2e;
    --green-primary: #15803d;
    --green-light: #22c55e;
    --lime: #a3e635;
    --black-soft: #18181b;
    --gray-bg: #f8fafc;
}

/* Base */
body {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.6;
    color: #334155;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--green-deep);
}

/* Backgrounds */
.bg-green-deep { background-color: var(--green-deep); color: white; }
.bg-green-deep h1, .bg-green-deep h2, .bg-green-deep h3 { color: white; }
.bg-gray-soft { background-color: var(--gray-bg); }

.bg-pattern-grid {
    background-image: linear-gradient(rgba(21, 128, 61, 0.04) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(21, 128, 61, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
}

.bg-pattern-dots {
    background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* Glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-dark {
    background: rgba(10, 46, 34, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    text-transform: uppercase;
}

.btn-primary {
    background-color: var(--green-primary);
    color: white;
}
.btn-primary:hover {
    background-color: var(--green-deep);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(11, 61, 46, 0.25);
}

.btn-outline {
    border: 1.5px solid rgba(255,255,255,0.7);
    color: white;
}
.btn-outline:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: white;
    transform: translateY(-2px);
}

.btn-white {
    background-color: white;
    color: var(--green-deep);
}
.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

/* Cards */
.card-premium {
    background: white;
    border: 1px solid #f1f5f9;
    border-radius: 1.5rem;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
    overflow: hidden;
}
.card-premium:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(11, 61, 46, 0.08);
    border-color: #e2e8f0;
}

/* Image Containers */
.img-frame {
    overflow: hidden;
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    position: relative;
}
.img-frame img {
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.img-frame:hover img {
    transform: scale(1.05);
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* Nav */
.nav-link {
    position: relative;
    padding-bottom: 4px;
    font-weight: 500;
    color: #334155;
    transition: color 0.3s ease;
}
.nav-link:hover { color: var(--green-primary); }
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--lime);
    transition: width 0.3s ease;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Hero */
.hero-gradient {
    background: linear-gradient(135deg, var(--green-deep) 0%, var(--green-dark) 100%);
    position: relative;
    overflow: hidden;
}
.hero-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(163, 230, 53, 0.1) 0%, transparent 70%);
}

/* Details (FAQ) */
details > summary { list-style: none; cursor: pointer; }
details > summary::-webkit-details-marker { display: none; }
details[open] summary .faq-icon { transform: rotate(180deg); }
.faq-icon { transition: transform 0.3s ease; }