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

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

body {
    margin: 0;
    overflow-x: hidden;
}

/* ── Animations ── */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0) rotate(45deg); }
    50% { transform: translateY(-15px) rotate(50deg); }
}

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

.animate-float-delayed {
    animation: float-delayed 5s ease-in-out infinite;
}

/* ── Scroll Reveal ── */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .scroll-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .animate-float,
    .animate-float-delayed {
        animation: none;
    }
}

/* ── Navigation ── */
.nav {
    background: transparent;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

.nav.scrolled {
    background: rgba(13, 13, 13, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav.scrolled .line1 { transform: rotate(45deg) translate(5px, 5px); }
.nav.scrolled .line2 { opacity: 0; }
.nav.scrolled .line3 { transform: rotate(-45deg) translate(5px, -5px); }

#menuBtn .line1,
#menuBtn .line2,
#menuBtn .line3 {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menuBtn.active .line1 { transform: rotate(45deg) translate(5px, 5px); }
#menuBtn.active .line2 { opacity: 0; }
#menuBtn.active .line3 { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Mobile menu ── */
#mobileMenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

#mobileMenu.open {
    max-height: 400px;
}

/* ── Clip triangle for amenities ── */
.clip-triangle {
    clip-path: polygon(100% 0, 0 0, 100% 100%);
}

/* ── Selection ── */
::selection {
    background: rgba(255, 61, 46, 0.3);
    color: #fff;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #1A1A1A;
}
::-webkit-scrollbar-thumb {
    background: #404040;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #FF3D2E;
}