*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── Hero Gradient ─── */
.hero-gradient {
    background: linear-gradient(135deg, #064e3b 0%, #065f46 25%, #047857 50%, #059669 75%, #34d399 100%);
}

/* ─── CTA Gradient ─── */
.cta-gradient {
    background: linear-gradient(135deg, #047857 0%, #059669 40%, #065f46 100%);
}

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

#navbar.scrolled {
    background: rgba(254, 253, 248, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(6, 78, 59, 0.08);
}

/* ─── Hero Glows ─── */
.hero-glow {
    animation: float 8s ease-in-out infinite;
}

.hero-glow-1 {
    animation-delay: 0s;
}

.hero-glow-2 {
    animation-delay: -3s;
}

.hero-glow-3 {
    animation-delay: -5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -20px) scale(1.05); }
    66% { transform: translate(-10px, 15px) scale(0.95); }
}

/* ─── Scroll Reveal ─── */
.scroll-reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(30px);
    }

    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Mobile Menu ─── */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

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

/* ─── Selection ─── */
::selection {
    background: rgba(5, 150, 105, 0.2);
    color: #064e3b;
}

/* ─── Focus ─── */
a:focus-visible, button:focus-visible {
    outline: 2px solid #059669;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ─── Smooth image loading ─── */
img {
    display: block;
    max-width: 100%;
}

/* ─── Subtle hover lift for cards ─── */
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal:hover {
        transform: translateY(-2px);
    }
    .scroll-reveal.revealed:hover {
        transform: translateY(-2px);
    }
}