/* ===== RESET & BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===== NAVBAR ===== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05), 0 4px 20px rgba(0, 0, 0, 0.04);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #34A87E;
    border-radius: 1px;
    transition: width 0.3s ease;
}

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

/* ===== HERO ANIMATIONS ===== */
.hero-badge {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

.hero-title {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.4s;
}

.hero-subtitle {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.6s;
}

.hero-ctas {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.8s;
}

.hero-scroll {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1s;
}

.hero-float-1 {
    opacity: 0;
    animation: floatInLeft 0.8s ease forwards;
    animation-delay: 1.2s;
}

.hero-float-2 {
    opacity: 0;
    animation: floatInRight 0.8s ease forwards;
    animation-delay: 1.4s;
}

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

@keyframes floatInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes floatInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== SCROLL REVEAL ===== */
.about-image,
.about-content,
.product-card,
.community-content,
.community-image {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.about-image.visible,
.about-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.product-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.product-card:nth-child(1) { transition-delay: 0.05s; }
.product-card:nth-child(2) { transition-delay: 0.1s; }
.product-card:nth-child(3) { transition-delay: 0.15s; }
.product-card:nth-child(4) { transition-delay: 0.2s; }
.product-card:nth-child(5) { transition-delay: 0.25s; }
.product-card:nth-child(6) { transition-delay: 0.3s; }

.community-content.visible,
.community-image.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== MOBILE MENU ===== */
#mobileMenu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-link {
    display: block;
}

/* ===== FOCUS STYLES ===== */
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
    outline: 2px solid #34A87E;
    outline-offset: 2px;
}

/* ===== SELECTION ===== */
::selection {
    background: #A8E6CF;
    color: #0D1B2A;
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .hero-badge,
    .hero-title,
    .hero-subtitle,
    .hero-ctas,
    .hero-scroll,
    .hero-float-1,
    .hero-float-2 {
        opacity: 1;
        animation: none;
    }
    
    .about-image,
    .about-content,
    .product-card,
    .community-content,
    .community-image {
        opacity: 1;
        transform: none;
    }
}

/* ===== LARGE SCREENS ===== */
@media (min-width: 1280px) {
    .hero-title {
        font-size: clamp(3rem, 5vw, 5rem);
    }
}