/* ── Base & Reset ── */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

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

/* ── Floating Animation ── */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-1deg); }
}

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

.animate-float-delayed {
    animation: float-delayed 4.5s ease-in-out infinite;
    animation-delay: 1s;
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal[data-revealed="false"] {
    opacity: 0;
    transform: translateY(30px);
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .reveal[data-revealed="false"] {
        opacity: 1;
        transform: none;
    }
    .animate-float, .animate-float-delayed {
        animation: none;
    }
}

/* ── Service Cards ── */
.service-card {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

.service-card[data-revealed="false"] {
    opacity: 0;
    transform: translateY(24px);
}

@media (prefers-reduced-motion: reduce) {
    .service-card {
        opacity: 1;
        transform: none;
        transition: box-shadow 0.4s ease, border-color 0.4s ease;
    }
    .service-card[data-revealed="false"] {
        opacity: 1;
        transform: none;
    }
}

/* ── 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(16px);
    box-shadow: 0 1px 0 rgba(5, 150, 105, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #059669;
    transition: width 0.3s ease;
}

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

/* ── Mobile Menu ── */
.mobile-link {
    transition: color 0.2s ease, padding-left 0.2s ease;
}

.mobile-link:hover {
    padding-left: 8px;
}

/* ── Back to Top ── */
#back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #fefdf8;
}

::-webkit-scrollbar-thumb {
    background: #a7f3d0;
    border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6ee7b7;
}

/* ── Form Focus States ── */
input:focus, select:focus, textarea:focus {
    outline: none;
}

/* ── Image Hover ── */
img {
    -webkit-user-drag: none;
}