/* ─── Base & Reset ─── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background: #fbbf24;
    color: #3d081f;
}

/* ─── Animations ─── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.6;
        transform: scaleY(1);
    }
    50% {
        opacity: 0.3;
        transform: scaleY(0.8);
    }
}

.animate-fade-up {
    animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ─── Card Floats ─── */
.card-float {
    animation: float 4s ease-in-out infinite;
}

.card-float-delay {
    animation-delay: 2s;
}

/* ─── Scroll Line ─── */
.scroll-line {
    animation: scrollPulse 2s ease-in-out infinite;
    transform-origin: top;
}

/* ─── Navbar ─── */
#navbar {
    background: rgba(250, 250, 248, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

#navbar.scrolled {
    box-shadow: 0 1px 30px rgba(0, 0, 0, 0.06);
}

/* ─── Menu Items ─── */
.menu-item {
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.menu-item:nth-child(1) { animation-delay: 0.1s; }
.menu-item:nth-child(2) { animation-delay: 0.15s; }
.menu-item:nth-child(3) { animation-delay: 0.2s; }
.menu-item:nth-child(4) { animation-delay: 0.25s; }
.menu-item:nth-child(5) { animation-delay: 0.3s; }

/* ─── Mobile Menu ─── */
.mobile-link {
    animation: fadeUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.mobile-link:nth-child(1) { animation-delay: 0.1s; }
.mobile-link:nth-child(2) { animation-delay: 0.15s; }
.mobile-link:nth-child(3) { animation-delay: 0.2s; }
.mobile-link:nth-child(4) { animation-delay: 0.25s; }
.mobile-link:nth-child(5) { animation-delay: 0.3s; }

/* ─── Image Hover ─── */
.group img {
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── Scroll Reveal ─── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ─── Responsive ─── */
@media (max-width: 767px) {
    .font-serif {
        line-height: 1.1;
    }
}