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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #050d1a;
}
::-webkit-scrollbar-thumb {
    background: rgba(52, 212, 168, 0.3);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(52, 212, 168, 0.5);
}

/* ── Selection ── */
::selection {
    background: rgba(52, 212, 168, 0.3);
    color: #fff;
}

/* ── Navbar ── */
#navbar {
    backdrop-filter: blur(0px);
    transition: backdrop-filter 0.5s ease, background 0.5s ease, padding 0.3s ease;
}

#navbar.scrolled {
    backdrop-filter: blur(20px);
    background: rgba(2, 8, 20, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

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

.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #34d4a8;
    transition: width 0.3s ease;
}

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

/* ── Service Cards ── */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, #34d4a8, transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card:hover::before {
    opacity: 1;
}

/* ── Listing Cards ── */
.listing-card {
    position: relative;
}

.listing-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 2rem;
    box-shadow: 0 0 0 1px rgba(52, 212, 168, 0);
    transition: box-shadow 0.5s ease;
    pointer-events: none;
}

.listing-card:hover::after {
    box-shadow: 0 0 40px rgba(52, 212, 168, 0.1);
}

/* ── Testimonial Cards ── */
.testimonial-card {
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 16px;
    right: 24px;
    font-family: 'Playfair Display', serif;
    font-size: 6rem;
    color: rgba(52, 212, 168, 0.06);
    line-height: 1;
    pointer-events: none;
}

/* ── Form Inputs ── */
input:focus,
select:focus,
textarea:focus {
    background: rgba(255, 255, 255, 0.08) !important;
}

/* ── Select Arrow ── */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2334d4a8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

/* ── Animations ── */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(45deg); }
    50% { transform: translateY(-12px) rotate(45deg); }
}

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

.float-anim {
    animation: float 6s ease-in-out infinite;
}

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

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
}

/* ── Reduced motion fallback ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .font-serif {
        font-size: 2.5rem !important;
    }
}