/* ─── Base & Animations ─── */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

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

#navbar.scrolled {
    background: rgba(253, 251, 247, 0.9);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(5, 150, 105, 0.08);
}

.nav-link {
    position: relative;
}

/* ─── Hero ─── */
.hero-badge {
    animation: fadeInDown 0.8s ease forwards;
    opacity: 0;
}

.hero-card {
    animation: fadeInUp 0.8s ease 0.2s both;
}

/* ─── Floating Cards ─── */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes floatDelayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

.animate-float-delayed {
    animation: floatDelayed 4.5s ease-in-out infinite 0.5s;
}

/* ─── Service Cards ─── */
.service-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ─── Reason Cards ─── */
.reason-card {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ─── Section Headers ─── */
.section-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.section-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ─── Fade In Keyframes ─── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-15px); }
    to { 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;
}

.mobile-link:hover {
    padding-left: 12px;
}

/* ─── Back to Top ─── */
#backToTop {
    transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

#backToTop.show {
    opacity: 1;
    pointer-events: all;
}

#backToTop.hide {
    opacity: 0;
    pointer-events: none;
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
    .font-serif {
        font-size: 1.75rem;
    }
}

/* ─── Focus Styles ─── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #10B981;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ─── Selection ─── */
::selection {
    background: rgba(5, 150, 105, 0.15);
    color: #064E3B;
}